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Hiroshi Nagai

Hiroshi Nagai, Fukaya-Shi JP

Patent application numberDescriptionPublished
20110089912DRIVER - A driver includes a sensor sensing a driving current and a driving voltage for an external device including a capacitor, a PWM, a PFC, and a controller. The PFC includes a phase angle estimation unit estimating a phase angle variation of an input voltage to the PFC based on a parameter regarding the driving current, a voltage compensator compensating an error of the driving voltage, a first current estimation unit estimating a variation of a charge of the capacitor based on the charge current and the phase angle variation estimated by the phase angle estimation unit, a second current estimation unit estimating a driving current variation, and a calculator calculating a duty ratio for the PWM based on the variation of the charge current estimated by the first current estimation unit and the driving current variation estimated by the second current estimation unit.04-21-2011

Hiroshi Nagai, Kanagawa JP

Patent application numberDescriptionPublished
20080239178TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - A transflective LCD includes a LC layer sandwiched between a pair of substrates, and a pair of polarizing films. The LCD device includes a reflection area and a transmission area in each pixel, the transmission area having a reflection film. A retardation film has a first portion in the refection area between the reflection film and the LC layer, and a second portion in the transmission area between the LC layer and the rear polarizing film. The retardation film has a slow axis perpendicular to an initial orientation direction of the LC molecules upon absence of an applied voltage and perpendicular or parallel to the optical axis of the front polarizing film. The orientation of the LC molecules upon display of a dark state has a direction different between the reflection area and the transmission area.10-02-2008
20080252803TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - To increase the aperture ratio of a transflective liquid crystal display device and suppress a light leakage. Provided is a transflective liquid crystal display device that includes: within a unit pixel, a reflective area including a pixel electrode and a common electrode as a pair and a reflector, and a transmissive area including a pixel electrode and a common electrode as a pair; a liquid crystal layer provided to the reflective area and the transmissive area; storage capacitances for the reflective area and the transmissive area provided in a lower layer of the reflector for changing a potential of the pixel electrode by following a potential of the common electrode; and a suppressing device for suppressing a light leakage in the liquid crystal layer when the pixel electrode is affected by a potential of the reflector due to capacitance coupling generated between the reflector and the pixel electrode.10-16-2008
20080284928LIQUID CRYSTAL DISPLAY DEVICE AND TERMINAL UNIT - A liquid crystal display device includes an array of pixels each including a plurality of sub-pixels, a plurality of pixel electrodes disposed in the respective sub-pixels, and a plurality of common electrodes disposed in the respective sub-pixels. The common electrode disposed in each of the sub-pixels in one of the pixels on each row is connected to the common electrodes disposed in the corresponding sub-pixels in the others of the pixels on the each row, to form a group of common electrodes connected together.11-20-2008
20090059107TRANSFLECTIVE LCD UNIT - A transflective LCD unit includes an array of pixels each including a reflective area and a transmissive area. The LC layer has an effective retardation of λ/4 in the reflective area, and an effective retardation of λ/2 in the transmissive area. A retardation film disposed in the reflective area provides a retardation of λ/2 to the light passed thereby. An angle of θ between the optical axis of the retardation film and the polarized direction of the light is in a range of 0 degree<θ<22.5 degrees.03-05-2009
20090237578TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - A transflective liquid crystal display device is provided with a liquid crystal layer sandwiched between a first substrate with an array of switching elements and a second substrate with a black matrix so as to form a first area for a normally black display and a second area for a normally white display A first electric potential difference formed between the black matrix and both of the first common electrode and the first pixel electrode formed in the first area on the first substrate is made to be smaller than a larger one of the second electric potential difference formed between the black matrix and both of the second common electrode and the second pixel electrode formed in the second area.09-24-2009
20100123863TRANSFLECTIVE LIQUID CRYSTAL DISPLAY APPARATUS - To provide a transflective liquid crystal display apparatus that employs in-plane switching mode (in-plane switching system), which exhibits a reflection property of wide view angles. Provided is a transflective liquid crystal display apparatus which comprises: a reflective area and a transmissive area; an uneven reflective plate provided in the reflective area; a flattening film laminated on the uneven reflective plate; and common electrodes and pixel electrodes arranged on the flattening film, wherein, the uneven reflective plate comprises a diffusive reflecting function that is capable of diffusely reflecting light making incident at an incident angle of 30 degrees towards directions at exit angles of 0-10 degrees, and a surface of the flattening film is set to be substantially flat.05-20-2010
20100328592TRANSFLECTIVE LIQUID-CRYSTAL-DISPLAY DEVICE - A LCD device has a LC layer sandwiched between a TFT substrate and a counter substrate, first and second polarizing films, a first λ/2 film between the first polarizing film and the counter substrate, and a second λ/2 film between the second polarizing film and the TFT substrate. Angle θ1 between the direction of the optical axis of the LC layer and the polarized direction of the light entering the LC layer satisfies the relationship: 0 degree<θ1<45 degrees. The resultant LCD device has lower leakage light and coloring.12-30-2010

Patent applications by Hiroshi Nagai, Kanagawa JP

Hiroshi Nagai, Chiba JP

Patent application numberDescriptionPublished
20100286390PYRIDAZINONE COMPOUNDS AND P2X7 RECEPTOR INHIBITORS - Novel pyridazinone compounds of formula (I), which inhibit the purinergic P2X7 receptor and are useful for prevention, therapy and improvement of inflammatory and immunological diseases.11-11-2010

Hiroshi Nagai, Ibaraki JP

Patent application numberDescriptionPublished
20100160425ANTI-ALLERGIC AGENT AND BEVERAGE/FOOD, PREPARATION FOR EXTERNAL APPLICATION OR COSMETIC COMPRISING THE AGENT - The object is to isolate a substance having a potent anti-allergic effect inherent in tea leaves of an Assam hybrid line. Thus, disclosed is an anti-allergic agent comprising, as an active ingredient, a catechin yielded by the isolation, i.e. epicatechin-3-O-(3-O-methyl)gallate, epicatechin-3-O-(4-O-methyl)gallate, epicatechin-3-O-(3,4-O-dimethyl)gallate, epicatechin-3-O-(3,5-O-dimethyl)gallate, epicatechin-3-O-(3,4,5-O-tromethyl)gallate, an epimer thereof or the like. Also disclosed is a food/beverage, a preparation for external application, and a cosmetic including the anti-allergic agent. An anti-allergic composition can be prepared using a compound represented by the general formula (1):06-24-2010

Patent applications by Hiroshi Nagai, Ibaraki JP

Hiroshi Nagai, Aichi JP

Patent application numberDescriptionPublished
20100072225DISPENSER - Provided is a dispenser in which a wash water discharge opening provided to a drain pan is connected to an external tap water system via a wash water supply path. The wash water supply path is provided with a wash water supply valve for controlling whether or not to supply wash water to the drain pan. A wash control section in a controller performs timing separately from control of a generation/delivery control section for performing generation and delivery of ice chips, and also performs a wash action at predetermined time intervals by opening the wash water supply valve.03-25-2010
20100140292DISPENSER - Provided is a dispenser including an ice-making water tank for storing ice-making water and an auger-type ice-making machine for producing ice chips by freezing the ice-making water in the ice-making water tank. The auger-type ice-making machine includes a refrigeration casing into which the ice-making water is supplied, and the refrigeration casing and the drain pan are connected to each other through the intermediation of an ice-making water drain pipe. The ice-making water in the refrigeration casing is drained at predetermined time points, and the drain pan is washed with the ice-making water thus drained.06-10-2010
20100140296DISPENSER - Provided is a dispenser in which a wash water discharge opening provided to a drain pan is connected to an external tap water system via a wash water supply path. The wash water supply path is provided with a wash water supply valve for controlling whether or not to supply wash water to the drain pan. Based on delivery information output from a delivery control section for controlling delivery of ice chips, a wash control section in a controller judges whether or not a delivery count of the ice chips has reached a predetermined set count, and, when it is judged that the delivery count has reached the set count, opens the wash water supply valve to perform a wash action.06-10-2010

Hiroshi Nagai, Shiga JP

Patent application numberDescriptionPublished
20100117255COATING METHOD AND COATING APPARATUS - A first coating rod placed on an upper-surface side of a resin film is pressed onto the resin film in a state where the first coating rod is circumscribed and supported by support members each comprising a pair of rollers and spaced with intervals therebetween in a length direction of the first coating rod so that the first coating rod is rotated in a forward direction at a speed substantially equal to that of the resin film, and a lower surface of the resin film is supported by a guide roll or a second coating rod placed on a downstream side of the first coating rod and an upstream side of a tenter so that the coating liquid continuously measured and supplied to an upper surface of the resin film is smoothened by the first coating rod.05-13-2010

Hiroshi Nagai, Tokyo JP

Patent application numberDescriptionPublished
20090091692LCD DEVICE INCLUDING A BIAXIAL OPTICAL ANISOTROPIC LAYER - A LCD device includes a LC cell including a homogeneously-oriented LC layer and a pair of transparent substrates. A pair of polarizing films sandwiching therebetween the LC cell. A protective layer of the light-emitting-side polarizing film has an optical isotropy, and protective layer of the light-incident-side polarizing film has an thickness-wise retardation of 20 to 90 nm. A biaxial optical anisotropic film is interposed between the light-emitting-side polarizing film and the LC cell, and a second optical anisotropic film for cancelling the wavelength dispersion caused by the biaxial optical anisotropic film is interposed between the light-incident-side polarizing film and the LC cell.04-09-2009
20090304339Optical Fiber Branch Cable, Method of Wiring the Same, and Method of Providing the Same - An optical fiber branch cable is provided that comprises a branch portion disposed stably with respect to a multi-core optical fiber cable of a trunk line from which branching is performed, that is excellent in handleability as a cable, and that exhibits high workability.12-10-2009

Patent applications by Hiroshi Nagai, Tokyo JP

Hiroshi Nagai, Mitaka-City JP

Patent application numberDescriptionPublished
20090130642Educational Simulator for Transthoracic Echocardiography - The present invention relates to a simulation device for ultrasonic diagnosis targeting a heart and its object is to provide an educational simulator for transthoracic echocardiography which can run simulations in a feeling like actual ultrasonic diagnosis. The educational simulator for transthoracic echocardiography is composed of a chest phantom with position sensors embedded at prescribed positions beneath the chest surface, a dummy probe in which a magnet is embedded and which is provided with an inclination sensor placed in the acral part, a memory section which stores three-dimensional image data of echocardiography, a CPU which calculates the position, inclination and pressing force of the dummy probe on the basis of information from each said sensor and clips two-dimensional image data from the three-dimensional image data on the basis of the calculation, and a display section which shows the clipped two-dimensional data.05-21-2009
20090162820Educational Simulator for Trasesophageal Echocardiography - An educational simulator for transesophageal echocardiography device, which includes a human phantom patterned after a human upper body having a neck, an esophagus and a stomach which communicate with each other, and a heart, a dummy probe which is patterned after a genuine ultrasonic probe and of which the tip is embedded with a magnet, a sensor which detects the insertion length and rotation angle of the dummy probe and is placed in the said neck, magnetic sensors which sense the magnetism of the said magnet, a three-dimensional image data archive which stores three-dimensional image data of echocardiography, a CPU which calculates the position, inclination and direction of the dummy probe on the basis of information from each said sensor and clips tomographic image data from the three-dimensional image data on the basis of the calculation, and a display section which shows the clipped tomographic image data as two-dimensional images.06-25-2009

Hiroshi Nagai, Nakaharu-Ku JP

Patent application numberDescriptionPublished
20090079921LIQUID CRYSTAL DISPLAY DEVICE - To suppress light leakage at the time of dark state, and to provide a liquid crystal display device whose electrodes in the reflection areas can be formed with high precision. The liquid crystal display device has a reflection area within a pixel unit by corresponding at least to a reflection plate forming part, and the reflection area is driven with a lateral electric field mode and normally-white. A driving electrode for forming an electric field to a liquid crystal layer of the reflection area is formed on the reflection plate via an insulating film by using a non-transparent electric conductor.03-26-2009

Hiroshi Nagai, Nakahara-Ku JP

Patent application numberDescriptionPublished
20090009447TRANSFLECTIVE TYPE LCD DEVICE HAVING EXCELLENT IMAGE QUALITY - An LCD device has a reflective area that reflects light incident from a polarizing film side using a reflection film, and a transmissive area that transmits light of a backlight incident from a TFT substrate side. The drive voltages of the reflective area and transmissive area are Vr and Vt, the black voltage in the reflective area is Vr (K), the black voltage in the transmissive area is Vt (K). The reflectance R, the transmittance T, characteristics of R with respect to drive voltage [Vr(K)-Vr] and characteristics of T with respect to drive voltage [Vt-Vt (K)] substantially match each other.01-08-2009

Patent applications by Hiroshi Nagai, Nakahara-Ku JP