Patents by Inventor Hitoshi Matsumoto
Hitoshi Matsumoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220166179Abstract: It is difficult to construct an optical fiber transmission system enabling relay optical amplification using a coupled multi-core optical fiber as an optical transmission path; therefore, an optical amplification device includes first optical spatial layout converting means for converting a spatial layout of a plurality of optical signal beams propagating through each of a plurality of cores, from a coupled state in which optical signal beams interfere between a plurality of cores to a non-coupled state in which optical signal beam interference is reduced between a plurality of cores; optical amplifying means for amplifying, in the non-coupled state, the plurality of optical signal beams with the non-coupled state and generating a plurality of amplified optical signal beams; and second optical spatial layout converting means for converting a spatial layout of the plurality of amplified optical signal beams from the non-coupled state to the coupled state.Type: ApplicationFiled: April 2, 2020Publication date: May 26, 2022Applicant: NEC CorporationInventors: Hitoshi TAKESHITA, Keiichi MATSUMOTO, Shigeyuki YANAGIMACHI
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Patent number: 11248283Abstract: The steel material for a soft magnetic part according to the present invention has a chemical composition consisting of, in mass %, C: 0.02 to 0.13%, Si: 0.005 to 0.50%, Mn: 0.10 to 0.70%, P: 0.035% or less, S: 0.050% or less, Al: 0.005 to 1.300%, V: 0.02 to 0.50%, and N: 0.003 to 0.030%, with the balance being Fe and impurities. The average grain diameter of ferrite grains in the steel material for a soft magnetic part ranges from 5 to 200 ?m. Further, in the ferrite grains, the number Sv (number/mm2) of precipitates having a circle-equivalent diameter of 30 nm or more satisfies Formula (1): Sv?10V×7.0×106??(1) where the V content (mass %) in the steel material for a soft magnetic part is substituted into V in Formula (1).Type: GrantFiled: December 7, 2017Date of Patent: February 15, 2022Assignee: Nippon Steel CorporationInventors: Makoto Egashira, Hidekazu Sueno, Hitoshi Matsumoto
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Patent number: 11119575Abstract: A motion controlled handheld device includes a display having a viewable surface and operable to generate an image and a gesture database maintaining a plurality of gestures. Each gesture is defined by a motion of the device with respect to a first position of the device. The gestures comprise symbol gestures each corresponding to a character from a preexisting character set. The device includes an application database maintaining at least one application and a gesture mapping database comprising a gesture input map for the application. The gesture input map comprises mappings of the symbol gestures to corresponding inputs for the application. The device includes a motion detection module operable to detect motion of the handheld device within three dimensions and to identify components of the motion in relation to the viewable surface.Type: GrantFiled: March 11, 2014Date of Patent: September 14, 2021Assignee: Fujitsu LimitedInventors: David L. Marvit, Hitoshi Matsumoto, Albert H. M. Reinhardt
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Publication number: 20210247835Abstract: An image processing apparatus includes a connection unit, a first power supply unit, a second power supply unit, and a control device. The connection unit is connected to an electronic apparatus including a controlled device and a communication relay unit. The first power supply unit can supply power to the controlled device. The second power supply unit can supply power to the communication relay unit. The control device is capable of switching a power supply state by the first power supply unit and the second power supply unit between at least a first stop state in which power supply by the first power supply unit is continued and power supply by the second power supply unit is stopped and a second stop state in which power supply by the first power supply unit and the second power supply unit is stopped.Type: ApplicationFiled: February 10, 2021Publication date: August 12, 2021Inventors: Tomoyuki KITAO, Atsushi Suzuki, Koichi Tanaka, Tetsuo Tomimatsu, Masayuki Shigetomi, Hitoshi Matsumoto
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Patent number: 11054809Abstract: A control device for a machine tool to efficiently and successively produce a plurality of different-shaped products is provided. In the control device, each driving shaft of modules is assigned to different control systems.Type: GrantFiled: February 20, 2018Date of Patent: July 6, 2021Assignees: Citizen Watch Co., Ltd., Citizen Machinery Co., Ltd.Inventors: Shuichi Watabe, Hitoshi Matsumoto
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Patent number: 11036446Abstract: A printing system includes a user terminal and a plurality of image forming apparatuses. Each of the plurality of image forming apparatuses includes a status information transmitting part transmitting status information indicating a status of the image forming apparatus. The user terminal includes a power consumption estimating part and a display controlling part. The power consumption estimating part estimates power consumption consumed by print processing in the image forming apparatus on the basis of the state information received from the image forming apparatus with regard to the plurality of image forming apparatuses. The display controlling part controls to display the power consumption estimated by the power consumption estimating part in association with each of the plurality of image forming apparatuses on a displaying device.Type: GrantFiled: July 17, 2020Date of Patent: June 15, 2021Assignee: KYOCERA Document Solutions Inc.Inventors: Koichi Tanaka, Tomoyuki Kitao, Masayuki Shigetomi, Tetsuo Tomimatsu, Hitoshi Matsumoto, Atsushi Suzuki
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Publication number: 20210066707Abstract: A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output. [In general formula (1), R1 and R2 are an organic group having 1-12 carbon atoms and n is an integer of 3-10. In general formula (2), R3 to R5 are an organic group having 1-12 carbon atoms; x is an integer of 1-3; and p, q, and r each are an integer of 0-3, provided that 1?p+q+r?3.Type: ApplicationFiled: September 11, 2020Publication date: March 4, 2021Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Hidekazu MIYAGI, Ryoichi Kato, Masakazu Yokomizo, Hiroyuki Uono, Hitoshi Matsumoto, Tomohiro Satou, Minoru Kotato, Takayuki Nakajima, Hitoshi Suzuki, Hiroyuki Oshima
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Publication number: 20210026579Abstract: A printing system includes a user terminal and a plurality of image forming apparatuses. Each of the plurality of image forming apparatuses includes a status information transmitting part transmitting status information indicating a status of the image forming apparatus. The user terminal includes a power consumption estimating part and a display controlling part. The power consumption estimating part estimates power consumption consumed by print processing in the image forming apparatus on the basis of the state information received from the image forming apparatus with regard to the plurality of image forming apparatuses. The display controlling part controls to display the power consumption estimated by the power consumption estimating part in association with each of the plurality of image forming apparatuses on a displaying device.Type: ApplicationFiled: July 17, 2020Publication date: January 28, 2021Applicant: KYOCERA Document Solutions Inc.Inventors: Koichi TANAKA, Tomoyuki KITAO, Masayuki SHIGETOMI, Tetsuo TOMIMATSU, Hitoshi MATSUMOTO, Atsushi SUZUKI
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Patent number: 10737504Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: December 6, 2019Date of Patent: August 11, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Publication number: 20200209835Abstract: A control device for a machine tool to efficiently and successively produce a plurality of different-shaped products is provided. In the control device, each driving shaft of modules is assigned to different control systems.Type: ApplicationFiled: February 20, 2018Publication date: July 2, 2020Inventors: Shuichi WATABE, Hitoshi MATSUMOTO
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Patent number: 10671046Abstract: A numerical control device is for machining a machining object by moving a tool and the machining object relative to each other along a movement path while applying vibration, by use of a drive axis provided for the tool or the machining object. The device includes a storage unit that holds an invalid frequency region, and a vibration condition determining unit to determine a frequency for the vibration, based on a rotational speed of a main shaft for rotating the machining object, a number of vibrations of the vibration in each one rotation of the main shaft, and the invalid frequency region.Type: GrantFiled: November 26, 2014Date of Patent: June 2, 2020Assignees: Mitsubishi Electric Corporation, CITIZEN WATCH CO., LTD., CITIZEN MACHINERY CO., LTD.Inventors: Mitsuo Watanabe, Masakazu Sagasaki, Hitoshi Matsumoto, Takanori Shinohara, Kazuhiko Sannomiya, Yuki Hirata
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Publication number: 20200108625Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: December 6, 2019Publication date: April 9, 2020Applicant: SEIKO EPSON CORORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 10556442Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: GrantFiled: March 29, 2019Date of Patent: February 11, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
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Patent number: 10538831Abstract: A cold forged part having a high cold forgeability and having a high endurance ratio due to work hardening by cold forging and age-hardening after cold forging, characterized by having a predetermined chemical composition, having an amount of solute Nb/amount of solute V of 0.03 or more and having a structure, by area ratio, of ferrite of 85% or more and a total of bainite and martensite of 5% or less.Type: GrantFiled: March 30, 2016Date of Patent: January 21, 2020Assignee: NIPPON STEEL CORPORATIONInventors: Tomohiro Yamashita, Yutaka Neishi, Hitoshi Matsumoto, Makoto Egashira
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Patent number: 10479079Abstract: A liquid ejecting head (recording head) includes a structure (flow path member) having a plurality of stacked plates (a nozzle plate, a flow path plate, and a diaphragm) in which end surfaces at both sides in one direction are aligned. At least two plates of the plates (the nozzle plate, the flow path plate, and the diaphragm) have different coefficients of linear expansion in the one direction, and holding members are fixed to the end surfaces of the structure (flow path member) at both sides in the one direction, the holding members having stiffness higher than stiffness of a plate having the highest coefficient of linear expansion in the one direction among the plates (the nozzle plate, the flow path plate, and the diaphragm).Type: GrantFiled: December 18, 2017Date of Patent: November 19, 2019Assignee: Seiko Epson CorporationInventors: Satoshi Kimura, Hitoshi Matsumoto, Wataru Takahashi, Satoshi Suzuki
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Publication number: 20190330722Abstract: The steel material for a soft magnetic part according to the present invention has a chemical composition consisting of, in mass %, C: 0.02 to 0.13%, Si: 0.005 to 0.50%, Mn: 0.10 to 0.70%, P: 0.035% or less, S: 0.050% or less, Al: 0.005 to 1.300%, V: 0.02 to 0.50%, and N: 0.003 to 0.030%, with the balance being Fe and impurities. The average grain diameter of ferrite grains in the steel material for a soft magnetic part ranges from 5 to 200 pun. Further, in the ferrite grains, the number Sv (number/mm2) of precipitates having a circle-equivalent diameter of 30 nm or more satisfies Formula (1): Sv?10V×7.0×106??(1) where the V content (mass %) in the steel material for a soft magnetic part is substituted into V in Formula (1).Type: ApplicationFiled: December 7, 2017Publication date: October 31, 2019Inventors: Makoto Egashira, Hidekazu Sueno, Hitoshi Matsumoto
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Patent number: 10414010Abstract: In a machine tool and a control apparatus thereof, a repetitive movement unit is configured so that the cutting tool performs one repetitive movement with respect to multiple relative rotations between the workpiece and the cutting tool and so that a rotation angle of the relative rotation between the workpiece and the cutting tool during relative movement at a second speed is smaller than a rotation angle of the relative rotation during relative movement at a first speed in one repetitive movement. This configuration limits degradation of machining efficiency when the cutting tool machines the workpiece by performing one repetitive movement with respect to multiple relative rotations between the workpiece and the cutting tool.Type: GrantFiled: September 3, 2018Date of Patent: September 17, 2019Assignees: Citizen Watch Co., Ltd., Citizen Machinery Co., Ltd.Inventors: Kazuhiko Sannomiya, Hitoshi Matsumoto, Nobuyoshi Imasaki
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Publication number: 20190252672Abstract: Provided is a lithium secondary battery having a nonaqueous electrolyte which contains at least one compound selected from the group consisting of monofluorophosphoric acid salts, and difluorophosphoric acid salts, in an amount of 10 ppm or more of the whole nonaqueous electrolyte, and a negative electrode selected from [1], [2], [3] and [6]: [1]: a negative electrode containing two or more carbonaceous substances differing in crystallinity; [2]: a negative electrode containing an amorphous carbonaceous substance which, when examined by wide-angle X-ray diffractometry, has an interplanar spacing (d002) for the (002) planes of 0.337 nm or larger and a crystallite size (Lc) of 80 nm or smaller and which, in an examination by argon ion laser Raman spectroscopy, has a Raman. R value of 0.Type: ApplicationFiled: April 25, 2019Publication date: August 15, 2019Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Hidekazu MIYAGI, Ryoichi KATO, Masakazu YOKOMIZO, Hiroyuki UONO, Hitoshi MATSUMOTO, Tomohiro SATOU, Minoru KOTATO, Takayuki NAKAJIMA, Hitoshi SUZUKI, Hiroyuki OSHIMA
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Publication number: 20190224983Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
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Patent number: 10359765Abstract: A control device for a machine tool to produce a plurality of different-shaped products efficiently and successively is provided. In the control device, each driving shaft of modules is assigned to different control systems. The device includes a multi-system program storage part for storing a plurality of multi-system programs to machine a workpiece in different shapes, a multi-system program dividing part for dividing the multi-system programs into machining programs, a divided program storage part for storing the divided machining programs individually, a system-based program storage part for storing the machining programs for the respective control systems, and a machining program selection part for selecting the machining program from the divided program storage part in accordance with the machining step to be executed and for storing the selected machining program in the system-based program storage part for the respective control systems.Type: GrantFiled: October 5, 2015Date of Patent: July 23, 2019Assignees: CITIZEN WATCH CO., LTD., CITIZEN MACHINERY CO., LTD.Inventors: Takaichi Nakaya, Hitoshi Matsumoto