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Koizumi, Osaka

Haruhiko Koizumi, Osaka JP

Patent application numberDescriptionPublished
20080284539HIGH FREQUENCY CIRCUIT, SEMICONDUCTOR DEVICE, AND HIGH FREQUENCY POWER AMPLIFICATION DEVICE - A small, high performance, multifunctional high frequency circuit that is multiband and multimode compatible reduces loss from a switch formed on the output side of a final stage amplification unit. The final stage amplification unit power amplifies an input signal and outputs an amplified signal. A first matching circuit impedance converts the amplified signal input thereto at a first input impedance, and outputs a first impedance-converted signal at a first output impedance. A control unit that generates a control signal denoting signal path selection information. A switch unit selects one of at least two signal paths based on the control signal, passes the first impedance-converted signal at an on impedance through the selected path, and outputs the pass signal. A second matching circuit impedance converts a pass signal input thereto at a second input impedance, and outputs a second impedance-converted signal at a second output.11-20-2008
20080297260RADIO-FREQUENCY POWER AMPLIFIER - A radio-frequency power amplifier for preventing a final-stage HBT from being destroyed is provided. To this end, a radio-frequency multistage power amplifier of the present invention includes: a first amplification stage having a first hetero bipolar transistor of which collector output is detected; a second amplification stage which is prior to the first amplification stage and which has a second hetero bipolar transistor in which the detection result is reflected; a first resistor provided between a collector of the second hetero bipolar transistor and a power supply; and a protection circuit which is connected between a collector of the first hetero bipolar transistor and the collector of the second hetero bipolar transistor, detects output from the collector of the first hetero bipolar transistor, and reduces a voltage of the collector of the second hetero bipolar transistor in accordance with the detected output.12-04-2008
20100026390DETECTOR CIRCUIT AND SYSTEM FOR A WIRELESS COMMUNICATION - Provided are a detector circuit which has a simple circuit configuration, is capable of indicating an accurate power according to a load fluctuation of a radio frequency power amplifier or a difference in a modulation mode, and can be easily incorporated in the radio frequency power amplifier, and a wireless communication system using the detector circuit. The detector circuit 10 includes a detecting resistor 11 for detecting a part of a current flowing from a bias circuit 6, and a current-voltage conversion circuit 12 for converting a current obtained through the detecting resistor 11 into a voltage. A current supplied from the bias circuit 6 to the amplifying transistor 1 is detected, so that an output current from the amplifying transistor 1 fluctuates when a load on the radio frequency power amplifier fluctuates, and an input current and a current from the bias circuit fluctuate in proportion to the output current from the amplifying transistor 1, whereby an outputted detection voltage can follow a load fluctuation on the radio frequency power amplifier.02-04-2010

Patent applications by Haruhiko Koizumi, Osaka JP

Hirofumi Koizumi, Osaka JP

Patent application numberDescriptionPublished
20090229958Push-button switch - The invention provides a push-button switch including: a star wheel (09-17-2009
20110067209Slide Switch for Buckle Apparatus - A slide switch installed in a buckle apparatus includes a body 03-24-2011

Patent applications by Hirofumi Koizumi, Osaka JP

Hirokazu Koizumi, Osaka JP

Patent application numberDescriptionPublished
20100128971Image processing apparatus, image processing method and computer-readable recording medium - A pair of images subjected to image processing is divided. Next, based on mutually-corresponding divided images, mutually-corresponding matching images are respectively set. When a corresponding point of a characteristic point in one matching image is not extracted from the other matching image, adjoining divided images are joined together, and based on the joined divided image, a new matching image is set.05-27-2010
20100128972Stereo matching processing system, stereo matching processing method and recording medium - To correctly associate coinciding positions between a plurality of images.05-27-2010
20100128973Stereo image processing apparatus, stereo image processing method and computer-readable recording medium - A stereo image processing apparatus 05-27-2010
20100128974Stereo matching processing apparatus, stereo matching processing method and computer-readable recording medium - To improve stereo matching speed and accuracy. An image data input unit 05-27-2010

Ichiro Koizumi, Osaka JP

Patent application numberDescriptionPublished
20090199358CLEANING DEVICE AND FINE-PARTICLE PROCESSING DEVICE THEREWITH - In a spheronizer for transforming columnar granulated product, which is fed in a wet condition, into spherical shapes, irregularities on a top surface of a particle-regulating disc are easily clogged, in particular, in an outer circumference. In view of this, a cleaning device 08-13-2009

Jun Koizumi, Osaka JP

Patent application numberDescriptionPublished
20080223062Air Conditioning Apparatus - An air conditioning apparatus is capable of being mounted on the ceiling of an air-conditioned room. The air conditioning apparatus includes a casing in which an intake port is formed in a bottom surface, a filter provided in the intake port, a cleaning mechanism for removing dust collected by the filter from the filter, and a dust box provided at the bottom of the casing to collect dust removed by the cleaning mechanism. A nozzle insertion hole through which a nozzle of a vacuum cleaner can be inserted is formed facing downward in the dust box.09-18-2008

Kenji Koizumi, Osaka JP

Patent application numberDescriptionPublished
20090290006Droplet discharging apparatus - A droplet discharging apparatus has a flow path connected to a liquid supply path. A nozzle is located downstream of the flow path and discharges liquid drops. A pressure generation element generates pressure for discharging the liquid from the nozzle. The flow path is bent and has a first flow path connected to the liquid supply path and a second flow path connected to the downstream side of the first flow path and causing the liquid to flow in the different direction from the first flow path. That portion of the bend which is from an outer corner of the bend to an outer wall portion of the second flow path is formed in a smooth shape. At the connected sections, the width of the second flow path normal to the direction of flow of the first flow path is set smaller than the width of the first flow path.11-26-2009
20090309934Droplet discharging apparatus and method of manufacturing the droplet discharging apparatus - A droplet discharging apparatus has a pressure chamber communicating with a nozzle, a vibration film forming a part of the pressure chamber, a piezoelectric element for vibrating the vibration film, a projection joined to the piezoelectric element and transmitting vibration of the piezoelectric element to the vibration film, and a flow path communicating with the pressure chamber. The apparatus has first and second members, with the vibration film, the projection, a groove, and a supply hole communicating with the groove being provided at the first member. The nozzle and the pressure chamber are formed in the second member. The first member and the second member are bonded together to form the flow path in the groove and also the pressure chamber in the recess. The groove and the recess partially overlap to form the flow path and the pressure chamber. A method is disclosed for manufacturing the droplet discharging apparatus.12-17-2009

Masashi Koizumi, Osaka JP

Michiaki Koizumi, Osaka JP

Patent application numberDescriptionPublished
20080212041Information processing device and projection program - An information processing device including a projection unit which, when a predetermined signal is received while an image displayed on a display is being viewed, projects the image displayed on the display onto, for example, a wall as a substitute for a screen, which is not provided in the information processing device. As the projection unit, for example, a small-sized projector provided in the information processing device may be used. In response to a conventional problem where, when an incoming call is received while a moving image is being displayed, the user cannot view the moving image since the user has to put the mobile phone to an ear for having a conversation, the information processing device causes the projector to project the moving image so that the user can continue to view the image.09-04-2008
20090017792Mobile telephone having broadcast reception function - A mobile phone includes: a television broadcast receiving unit 01-15-2009
20100315371Terminal Device With Display Function - A terminal device with a display function enables only an operation of a desired operation key valid, and easily perform the invalidation operation. In response to switching to a predetermined function mode by manipulating a jog dial, an image in the switched function mode is displayed in a display surface, based on an image signal from a display control section. A bar is located on a borderline between a contents area and an operation area in an initial state of displaying an image. When the jog dial is manipulated by the user to thereby move the bar from the borderline to a predetermined position within the operation area, a CPU determines that the position of the bar has been moved. Then, the CPU detects a new position of the bar, and makes an operation with respect to the operation key located between the bar and the borderline invalid.12-16-2010
20100333023DEVICE WITH E-MAIL FUNCTION - [Object] To provide a device with an e-mail function that allows screen transition actions to be smoothly performed in the e-mail function.12-30-2010

Patent applications by Michiaki Koizumi, Osaka JP

Michinobu Koizumi, Osaka JP

Patent application numberDescriptionPublished
20100000947TREATING METHOD OF A FLUORINATED SURFACTANT-CONTAINING AQUEOUS SOLUTION - The present invention provides a treatment method by which a fluorinated surfactant such as PFOA can be removed from water very efficiently. The treatment method includes a step (1) of contacting a water to be treated containing 100 to 10000 ppb of a fluorinated surfactant with an activated carbon and a step (2) of obtaining a treated water containing not more than 3.0 ppb of the fluorinated surfactant. The activated carbon comprises the particles capable of passing through a 75-μm filter of not smaller than 90% by mass of the total particles.01-07-2010

Seiko Koizumi, Osaka JP

Patent application numberDescriptionPublished
20110166365Collagen peptide, dipeptide and malady inhibitor - A problem that the present invention is to solve is to provide: a main body of a peptide molecule which is effective for inhibition of various maladies such as osteoporosis, osteoarthritis and pressure ulcer, particularly, a dipeptide which is easy to absorb into a body in an intestine; a collagen peptide which comprises the dipeptide as an essential dipeptide; and a malady inhibitor which comprises the dipeptide as an essential effective component. As a means of solving such a problem, a collagen peptide according to the present invention is characterized by comprising a dipeptide having a structure of Hyp-Gly as an essential dipeptide. A dipeptide according to the present invention is characterized by having a structure of Hyp-Gly. A malady inhibitor according to the present invention is characterized by comprising a dipeptide having a structure of Hyp-Gly as an essential effective component.07-07-2011

Takashi Koizumi, Osaka JP

Patent application numberDescriptionPublished
20080269364Filling foam composition, foam filling member, and filling foam - A filling foam composition contains a polymer, 4,4′-oxybis(benzenesulfonylhydrazide), an amine compound (except urea compound) having a melting point of 40° C. or more, and an organic peroxide, and the amine compound is mixed in an amount of 5 parts by weight or more per 100 parts by weight of the 4,4′-oxybis(benzenesulfonylhydrazide).10-30-2008