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).

  • Liquid crystal display device
    Patent number: 8289461
    Abstract: A transflective-type liquid crystal display device with a high image quality which has a high aperture ratio and an excellent efficiency of utility of reflected light is provided at low cost. A liquid crystal display device according to the present invention is a liquid crystal display device having a transistor and a reflection section in each of a plurality of pixels; the reflection section includes a metal layer, an insulating layer formed on the metal layer, a semiconductor layer formed on the insulating layer, and a reflective layer formed on the semiconductor layer; a plurality of recesses are formed on the surface of the reflective layer; a storage capacitor is formed between at least a portion of the metal layer and at least a portion of the reflective layer; and at least one of the metal layer and the reflective layer includes two portions which are electrically isolated from each other.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: October 16, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hajime Imai, Hitoshi Matsumoto
  • Negative electrode for lithium secondary cell and lithium secondary cell using the same
    Patent number: 8273479
    Abstract: A negative electrode for a lithium secondary battery according to the present invention includes a current collector 12, and an active material layer 14 formed on the current collector 12. The active material layer 14 includes a plurality of negative-electrode active material members 16 disposed on the current collector 12. Each negative-electrode active material member 16 is oxide, including a first region 18 of a relatively high oxygen concentration and a plurality of second regions 20 having an oxygen concentration which is lower than that of the first region 18. The first region 18 extends from a bottom face of each negative-electrode active material member 16 in a direction away from the surface of the current collector. The plurality of second regions 20 are alternately disposed on both sides of the first region 18.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: September 25, 2012
    Assignee: Panasonic Corporation
    Inventors: Masaki Hasegawa, Masaya Ugaji, Keisuke Ohara, Hitoshi Matsumoto
  • LIQUID INJECTING APPARATUS
    Publication number: 20120212549
    Abstract: 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: Application
    Filed: April 27, 2012
    Publication date: August 23, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshiharu ARUGA, Toshio KUMAGAI, Hitoshi MATSUMOTO
  • LIQUID EJECTING APPARATUS
    Publication number: 20120194608
    Abstract: A liquid ejecting apparatus includes a pressure control unit provided in a liquid flow path so as to control pressure. The pressure control unit includes a liquid introduction unit, a liquid chamber having a diaphragm, a communication hole that allows communication between the liquid introduction unit and the liquid chamber, and a wall portion provided on the side of the liquid chamber, so as to switch between a first mode in which the wall portion forms a first flow path for the liquid flowing through the communication hole toward the liquid outlet without contacting the diaphragm in accordance with a pressure in the liquid chamber, and a second mode in which the wall portion forms a second flow path different from the first flow path, in contact with the diaphragm.
    Type: Application
    Filed: January 25, 2012
    Publication date: August 2, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Matsumoto, Hitotoshi Kimura
  • LIQUID EJECTING APPARATUS
    Publication number: 20120194620
    Abstract: A liquid ejecting apparatus includes a pressure control unit provided in a liquid flow path so as to control pressure. The pressure control unit includes a liquid introduction unit, a liquid chamber having a diaphragm, a communication hole that allows communication between the liquid introduction unit and the liquid chamber, a movable member including an opposing surface disposed on the side of the liquid chamber so as to oppose the communication hole, the movable member being disposed so as to move in response to the displacement of the diaphragm unit, and a displacement member that displaces the opposing surface between a first posture of opposing the communication hole and a second posture in which the opposing surface is tilted with respect to the communication hole in an angle different from the first posture.
    Type: Application
    Filed: January 23, 2012
    Publication date: August 2, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hitoshi MATSUMOTO, Hitotoshi KIMURA
  • COMPOSITION FOR FORMATION OF CURED EPOXY RESIN, AND CURED PRODUCTS THEREOF
    Publication number: 20120196991
    Abstract: An object of the present invention is to provide a composition for the formation of a cured epoxy resin, wherein the composition can suppress a curing reaction at a low temperature to thereby enhance one-pack stability, and can also be subjected to a heating treatment to thereby effectively cure a resin. The present invention provides a composition for the formation of a cured epoxy resin, the composition comprising the following components (A), (B) and (C): (A) an epoxy resin; (B) a clathrate compound of a carboxylic acid derivative represented by formula (I): R(COOH)n??(I); and an imidazole compound represented by formula (II); and (C) a tetrakisphenol type compound represented by formula (III).
    Type: Application
    Filed: October 15, 2010
    Publication date: August 2, 2012
    Applicants: NISSO CHEMICAL ANALYSIS SERVICE CO., LTD., NIPPON SODA CO., LTD.
    Inventors: Kazuo Ono, Natsuki Amanokura, Hitoshi Matsumoto, Emi Nakayama
  • Liquid jetting system, liquid container, holder, and liquid jetting apparatus having holder
    Patent number: 8231209
    Abstract: The liquid container has a side wall with a bias-force receiving part. The liquid jetting apparatus has a liquid container holder. The holder is equipped with a feed needle, a holder-side electrode, and bias force part. The feed needle receives feed of liquid from the liquid container. The holder-side electrode is electrically connected with the container. The bias force part exerts a bias force on the bias-force receiving part. The liquid container is equipped with a feed part with a feed port and a container-side electrode. The feed port opens onto the front wall and receives the feed needle. The container-side electrode is secured to be electrically connected with the holder-side electrode. The biasing direction is established such that an extended line extending in the biasing direction from the bias-force receiving part is offset from the container-side electrode towards the side wall side.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: July 31, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Yoshihiro Koizumi, Takeshi Iwamuro, Hitoshi Matsumoto, Hitotoshi Kimura
  • Work machining apparatus control program and work machining apparatus control device for executing the control program
    Patent number: 8224477
    Abstract: A control system is provided for each pair of a work fixing part and a work machining part. In each control system, a work receiving program block, a work machining program block and a work discharge program block are provided, and the work machining program block starts on the condition that the work receiving program block ends and the work discharge block program starts on the condition that the work machining program block ends. The work receiving program block is associated with the work supply program of the work supply apparatus, or the work discharge program block is associated with a work transfer program of a work transfer apparatus so that a command is issued to the work receiving program block or the work discharge program block, and a command to perform a cue of the head of the program of each control system is provided at the last part of the control system.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: July 17, 2012
    Assignee: Citizen Holdings Co., Ltd.
    Inventor: Hitoshi Matsumoto
  • Acrylic star polymer
    Patent number: 8193286
    Abstract: A method for obtaining a star polymer having a controlled ratio of a weight average molecular weight of the star polymer to a number average molecular weight of the star polymer, containing the steps of anionically polymerizing a (meth)acrylic ester having an alicyclic skeleton and a lactone ring in the presence of an anionic polymerization initiator to synthesize an arm polymer, reacting the arm polymer with a polyfunctional coupling agent, and reacting with an anionic polymerizable monomer.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: June 5, 2012
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Hitoshi Matsumoto, Mitsuhiro Nakamura
  • Liquid injecting apparatus
    Patent number: 8186814
    Abstract: 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: Grant
    Filed: May 21, 2010
    Date of Patent: May 29, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
  • LIQUID FILL CONTAINER
    Publication number: 20120125481
    Abstract: There is provided a liquid fill container that is used to fill a liquid reservoir supplying a liquid to a liquid ejecting apparatus, with the liquid. The container includes a containing unit that contains the fill liquid; a filling port that is inserted into an inlet of the liquid reservoir, and that allows the liquid contained in the containing unit to flow therethrough to fill the liquid reservoir; and a positioning member that maintains the position of the filling port and the position of the liquid reservoir with respect to each other in the direction in which the filling port is inserted into the liquid reservoir during liquid filling of the liquid reservoir.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 24, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Matsumoto, Taku Ishizawa, Mitsuto Yanagisawa, Yaeko Onishi
  • Implementing an expanded search and providing expanded search results
    Patent number: 8145660
    Abstract: Implementing an expanded search and providing expanded search results comprises receiving a search query generated by a user. A type of expansion to apply to the search query is determined. Expanded search queries are automatically generated according to the determined expansion type without intervention from the user. A search is executed on each one of the expanded search queries to retrieve search results, and the search results are provided for presentation to the user in modules. A module comprises search results for one of the expanded search queries.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: March 27, 2012
    Assignee: Fujitsu Limited
    Inventors: David L. Marvit, Rajalakshmi Balakrishnan, Hitoshi Matsumoto, Albert Reinhardt, Kenji Nagahashi
  • Liquid storage container and liquid filling method and liquid refilling method using the same
    Patent number: 8136932
    Abstract: A liquid storage container includes a liquid containing body that is formed of a flexible film and contains liquid therein; a liquid lead-out member connected to the liquid containing body; and a spacer member disposed in the liquid containing body. The liquid containing body deforms in a direction in which inner wall surfaces of the flexible film facing each other are brought into contact with each other at the time of reduction in the remaining amount of the liquid as the inside liquid is taken out through the liquid lead-out member, and the spacer member regulates contact between parts of the inner wall surfaces of the flexible film facing each other at the time of reduction in the remaining amount of the liquid to thereby form a remaining liquid space where liquid remains.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: March 20, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Izumi Nozawa, Hitotoshi Kimura, Hitoshi Matsumoto
  • Liquid crystal display panel and liquid crystal display device
    Patent number: 8125584
    Abstract: The present invention provides a liquid crystal display panel capable of providing a high contrast ratio with a storage capacitance being secured, and also provides a liquid crystal display device including such a panel. The present invention is a liquid crystal display panel having a structure in which a liquid crystal layer is interposed between a first substrate and a second substrate, wherein at least one of the first substrate and the second substrate includes a projection for liquid crystal alignment control, the first substrate includes a scanning signal line, a data signal line, a drain electrode electrically connected to a pixel electrode, a switching element, and a storage capacitor wiring, the storage capacitor wiring includes a main wiring part and a branch part, the branch part being connected to the main wiring part and overlapping with the projection for liquid crystal alignment control.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: February 28, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Satoshi Horiuchi, Toshiaki Fujihara, Masakatsu Tominaga, Hitoshi Matsumoto, Hironobu Sawada, Ryohki Itoh
  • COLLAGEN PEPTIDE COMPOSITION HAVING GOOD ABILITY TO ENTER THE BLOOD AND FOOD OR BEVERAGE CONTAINING THE SAME
    Publication number: 20120040055
    Abstract: An object of the present invention is to elucidate a collagen peptide effective for causing dipeptides or tripeptides serving as the active component to enter the blood, and thus to reduce the required intake thereof. According to the present invention, a collagen peptide composition obtained by digesting collagen or gelatin with protease is provided, wherein: (a) the ratio of hydroxyproline to total of amino acid residues at the second position from the N terminus of the peptides in the composition is 2 mol % or more and 20 mol % or less, and the ratio of glycine to total of amino acid residues at the third position from the N terminus of the peptides in the composition is 20 mol % or more and 50 mol % or less; and (b) the average molecular weight is 500 or more and 2000 or less.
    Type: Application
    Filed: April 13, 2010
    Publication date: February 16, 2012
    Applicant: MEIJI CO., LTD.
    Inventors: Hiroki Ohara, Hitoshi Matsumoto, Masataka Hata, Koichi Terauchi, Hidetoshi Nishizawa
  • Liquid storage device and liquid presence determining method
    Patent number: 8100490
    Abstract: A liquid storage device includes a storage portion that is configured to store liquid therein, a rotating member that is provided in a bottom portion at inside of the storage portion so as to be capable of rotating, a driving member that is provided at outside of the storage portion in a non-contact state with respect to the rotating member so as to drive the rotating member by magnetic force, the driving member rotating to allow the rotating member to rotate, a detecting portion that is capable of detecting a degree of rotation of the rotating member, and a determining portion that is capable of acquiring difference information of rotation between the rotating member and the driving member on the basis of a detection result by the detecting portion and determining presence of liquid in the storage portion on the basis of the difference information.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: January 24, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Hitoshi Matsumoto
  • Method of producing an acrylic acid-based polymer
    Patent number: 8067515
    Abstract: Disclosed is a method for producing a polymer through living polymerization, comprising forming an oligomer having a polymerization active end, which is an oligomer higher than an average 1.0-mer and lower than an average 4.0-mer or an average 4.0-mer, and polymerizing using the oligomer having a polymerization active end as an initiating species, wherein the acrylic acid-based polymer comprising a repeating unit derived from a poly(?-lower alkyl)acrylate, and a repeating unit derived from an (?-lower alkyl)acrylic ester represented by formula (I) wherein R1 represents a hydrogen atom or a lower alkyl group, and R2 represents an organic group having a polar group in an arm portion.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: November 29, 2011
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Hideo Kubo, Hitoshi Matsumoto, Takeshi Shimotori, Tooru Kawabe
  • Packaging container
    Patent number: D653950
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: February 14, 2012
    Assignee: Sieko Epson Corporation
    Inventors: Taku Ishizawa, Hitoshi Matsumoto, Mitsuto Yanagisawa, Yaeko Onishi
  • Container cap with stopper
    Patent number: D660695
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: May 29, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Taku Ishizawa, Hitoshi Matsumoto, Mitsuto Yanagisawa, Yaeko Onishi
  • Container cap with stopper
    Patent number: D670165
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: November 6, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Taku Ishizawa, Hitoshi Matsumoto, Mitsuto Yanagisawa, Yaeko Onishi