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Fujikawa, Tokyo

Atsushi Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20090201752Semiconductor memory device - There are provided a row predecoder that predocodes an address irrespective of whether the address to which access is requested is a defective address, a row main decoder that controls a sub-word driver, based on a predecode signal generated by the row predecoder, and a repair determining circuit that determines whether the address is a defective address. The row main decoder, the row predecoder, and the repair determining circuit all have a shape in which a column direction is set to be a longitudinal direction. The row predecoder and the repair determining circuit are arranged adjacent to each other in the column direction, and are arranged in parallel with the row main decoder.08-13-2009
20100090675Semiconductor device and test method therefor - Disclosed is a semiconductor device including internal power supply generating circuits for generating internal power supplies and data terminals via which data signals are output or input/output. The internal power supply monitor terminals are in common use with the data terminals. The semiconductor device also includes selection circuits for selecting, by a test control signal, whether or not output voltages of the internal power supply generating circuits are to be output to the data terminals.04-15-2010
20100110817Semiconductor device and refreshing method - A semiconductor device comprising a word line wired on a memory bank, a memory cell storing data provided in correspondence with the word line and a sense amplifier provided in correspondence with the word line, refreshing the memory cell corresponding to the word line selected by a row address that has been generated, including refresh counter 05-06-2010

Patent applications by Atsushi Fujikawa, Tokyo JP

Junji Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20090220867GRADATED PHOTOMASK AND ITS FABRICATION PROCESS - The invention provides a gradated photomask for reducing photolithography steps and its fabrication process, which make use of a generally available photomask blank, prevents the reflectance of a light shield film from growing high, makes alignment easy during the formation of a semitransparent film, and enables the semitransparent film on a light shield pattern with good step coverage. A photomask (09-03-2009

Keiji Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20110011088CARBON DIOXIDE RECOVERY SYSTEM AND METHOD - Provided are high-pressure, medium-pressure, and low-pressure turbines; a boiler to generate steam for driving the turbines; a carbon dioxide recovery unit including an absorber that reduces carbon dioxide in combustion flue gas from the boiler by means of a carbon dioxide absorbent and a regenerator that regenerates an absorbent; a first auxiliary turbine that extracts steam from an inlet of the low-pressure turbine and recovers power by means of the steam thus extracted; a first steam delivery line to supply discharged steam from the first auxiliary turbine to a reboiler of the regenerator as a heat source; and a controller that controls driving of the first auxiliary turbine while keeping pressure of the discharged steam to be supplied to the reboiler within a tolerance range for the reboiler's optimum pressure corresponding to a fluctuation in an operation load of the boiler.01-20-2011

Masahiro Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20120037224SOLAR BATTERY CELL AND METHOD OF MANUFACTURING THE SAME - A solar battery cell including: a semiconductor substrate; front-surface asperities formed on the principal surface on a light-receiving side of the semiconductor substrate; a semiconductor layer having a conductive type and formed along the front-surface asperities; and an anti-reflection film formed on the light-receiving side of the semiconductor layer, a passivation film is formed on the principal surface on the back-surface side of the semiconductor substrate, and at least one opening is provided in the passivation film. A first back-surface electrode is formed on the passivation film so as to overlap the entire area occupied by the opening and to cover the opening, and a second back-surface electrode is formed on the passivation film so as to overlap the entire area occupied by the first back-surface electrode and to cover the first back-surface electrode.02-16-2012

Shuichi Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20080225922Rod-Type Solid-State Laser System - In a symmetrically stable optical resonator, a first reference plane is set at an arbitrary position between the end face (09-18-2008

Patent applications by Shuichi Fujikawa, Tokyo JP

Shunichi Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20100197904CATIONIZED HYALURONIC ACID AND/OR SALT THEREOF, METHOD OF PRODUCING THE SAME, HAIR MODIFYING AGENT, CUTICLE REPAIRING AGENT, SKIN MODIFYING AGENT, AND COSMETIC PREPARATION EACH USING THE SAME - A cationized hyaluronic acid and/or a salt thereof includes a quaternary ammonium group-containing group, and has a degree of cationization of 0.15 to 0.6.08-05-2010

Susumu Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20090214512METHODS OF TREATING SKIN DISEASE, SCALP DISEASE, SENSITIVE SKIN OR SUPPRESSING HAIR LOSS WITH MICROBUBBLE WASHING COMPOSITIONS - The present invention provides a microbubble washing composition for washing a human body or an animal, a microbubble washing method using the microbubble washing composition, and a microbubble washing apparatus suitable for carrying out the method are provided which are capable of safely removing sebum and old keratin adhering to the surfaces of the pores in a short period of time, keeping the skin clean for a long period of time, preventing an odor. Specifically, the present invention provides a microbubble washing composition for washing a human body or an animal including a protease and a lipase, a microbubble washing method for washing a human body or an animal including washing a human body or an animal using a washing liquid containing the washing composition and microbubbles, and a microbubble washing apparatus.08-27-2009
20110108049METHOD FOR GROWING OR NOURISHING HEAD HAIR - A hair growth method includes repeatedly washing hair using a washing agent that includes a microbubble washing composition and microbubbles, the microbubble washing composition including a protease and a lipase. The hair growth method exhibits an excellent hair growth effect.05-12-2011
20110112000BRAIDED HAIR WASHING METHOD - A braided hair washing method includes washing braided hair using a washing agent that includes a microbubble washing composition and microbubbles, the microbubble washing composition including a protease and a lipase. The braided hair washing method can conveniently and effectively wash braided hair without collapsing the hairstyle.05-12-2011

Patent applications by Susumu Fujikawa, Tokyo JP

Takashi Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20090235867SUSCEPTOR FOR VAPOR PHASE EPITAXIAL GROWTH DEVICE - There is provided a susceptor for a vapor phase epitaxial growth device, by which skidding at the time of loading a silicon wafer is prevented and the wafer can be loaded at a fixed position of the susceptor: wherein a ring-shaped groove having sloping planes widening toward a surface of the susceptor are formed on the outermost circumference of the bottom surface; and gas release openings penetrating through to the back surface of the susceptor are formed, each having a sectional area of 2.0 to 3.0 mm09-24-2009
20090314210Epitaxial growth susceptor - A susceptor for use in an epitaxial growth apparatus and method where a plurality of circular through-holes are formed in the bottom wall of a pocket in an outer peripheral region a distance of up to about ½ the radius toward the center of the circular bottom wall. The total opening surface area of these through-holes is 0.05 to 55% of the surface area of the bottom wall. The opening surface area of each of the through-holes provided at this outer peripheral region is 0.2 to 3.2 mm12-24-2009
20100227455EPITAXIAL FILM GROWING METHOD, WAFER SUPPORTING STRUCTURE AND SUSCEPTOR - An annular step portion provided to a periphery of a wafer housing portion is provided to an area with which an area of 1 to 6 mm from a boundary line with a chamfered surface of a wafer rear surface toward a wafer center comes in contact. As a result, it is possible to produce an epitaxial wafer having no scratch in a boundary area between the rear surface and the chamfered surface, and to eliminate particles generated due to a scratch in a device process.09-09-2010

Patent applications by Takashi Fujikawa, Tokyo JP

Tatsuaki Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20100202876STEAM TURBINE FACILITY - Provided is a steam turbine facility capable of suppressing the possibility of vibration occurrence and a drastic increase in facility cost, thereby realizing an increase in size of the facility, even if steam conditions of 650° C. or higher are adopted. In a steam turbine facility including a high-pressure turbine, an intermediate-pressure turbine, and a low-pressure turbine, the intermediate-pressure turbine is separated into a first intermediate-pressure turbine on a high-temperature and high-pressure side and a second intermediate-pressure turbine on a low-temperature and low-temperature side, at least any one of the rotors and casings of the steam-introduction-side turbines into which steam with a temperature of 650° C. or higher is introduced is formed from Ni-based alloy, and at least any one of the overall rotors and the overall casings of the turbines are constructed by joining together a plurality of rotor members or casing members by welding.08-12-2010
20100296938ROTOR OF ROTATING MACHINE AND METHOD OF MANUFACTURING THE ROTOR - A turbine rotor which is composed by connecting Ni-based alloy and heat resisting steel such as 12-Cr steel by welding to be able to ensure strength of welded parts and can be used under steam conditions of 700° C. class and method of manufacturing the rotor are also provided. The rotor of the rotating machine into which working fluid of 650° C. or higher is introduced, the rotor being composed of a plurality of members connected by welding such that material of each member is different in accordance with temperature of working fluid which flows contacting the members, wherein the first member(s) is formed from Ni-based alloy having mean linear expansion coefficient of 12.4×1011-25-2010
20110030374STEAM TURBINE FACILITY - Provided is a steam turbine facility capable of suppressing the possibility of vibration occurrence and a drastic increase in facility cost, thereby realizing an increase in size of the facility, even if steam conditions of 650° C. or higher are adopted. In a steam turbine facility including a high-pressure turbine, an intermediate-pressure turbine, and a low-pressure turbine, the high-pressure turbine is separated into a first high-pressure turbine part on a high-temperature and high-pressure side and a second high-pressure turbine part on a low-temperature and low-pressure side, the intermediate-pressure turbine is separated into a first intermediate-pressure turbine part on the high-temperature and high-pressure side and a second intermediate-pressure turbine part on the low-temperature and low-temperature side, the first high-pressure turbine part and the first intermediate-pressure turbine part are integrated to form a first integrated part, the second high-pressure turbine part and the second intermediate-pressure turbine part are integrated to form a second integrated part, at least any one of the rotors and casings of the turbines into which steam with a temperature of 650° C. or higher is introduced are constructed by joining together a plurality of members formed from Ni-based alloy through welding as a whole.02-10-2011
20110126945Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD OF THE SAME - There are provided an Ni-based alloy high-chrome steel structure and its manufacturing method capable of joining Ni-based alloys and high-chrome steels by welding, and performing suitable heat treatment, thereby maintaining the strength in the joints. In a manufacturing method of a structure formed by joining together at least two first members formed from Ni-based alloys by welding, and joining a second member formed from high-chrome steels to a member where the first members have been joined together, the manufacturing method includes the steps: joining together the at least two first members formed from Ni-based alloys by welding; performing first-stage aging treatment on a welded joint between the first members, and then, joining the second member formed from high-chrome steels to the member where the first members have been joined together by welding; and then, performing second-stage aging treatment on the welded joint between the first members, and performing heat treatment after welding on a welded portion between the first members and the second member.06-02-2011
20110203275COOLING METHOD AND COOLING DEVICE FOR A SINGLE-FLOW TURBINE - It is intended to effectively cool a dummy ring and a rotor disposed on the inner side of the dummy ring of a single-flow turbine and to suppress a decrease in thermal efficiency by preventing main steam from leaking to the dummy ring side. A cooling steam supply pipe 08-25-2011
20120023945METHOD AND DEVICE FOR COOLING STEAM TURBINE GENERATING FACILITY - In a steam turbine 02-02-2012

Patent applications by Tatsuaki Fujikawa, Tokyo JP

Yoshinori Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20090264276Production method of dielectric particles - A method of producing fine and uniform barium titanate particles having high crystallinity by performing a heat treatment on titanium dioxide and barium carbonate having a specific surface area of at least 20 m10-22-2009

Patent applications by Yoshinori Fujikawa, Tokyo JP

Yuuta Fujikawa, Tokyo JP

Patent application numberDescriptionPublished
20110165085TUMOR SELECTIVE FLUORESCENT STAINING AGENT - A tumor cell or tumor tissue-selective fluorescent staining agent comprising a compound represented by the following general formula (I):07-07-2011