Patents by Inventor Hirofumi Kobayashi

Hirofumi Kobayashi 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).

  • Publication number: 20240132050
    Abstract: A vehicle is a series hybrid vehicle that drives drive wheels using a travel motor by utilizing power of a power generation motor, which generates power by being driven by motive power of an internal combustion engine provided with a turbo charger. A method for controlling the vehicle includes executing a fuel cut of the internal combustion engine when excess power is greater than at least power that can be inputted in the system and the internal combustion engine is being supercharged.
    Type: Application
    Filed: February 19, 2021
    Publication date: April 25, 2024
    Inventors: Kazuma Iwasaki, Azusa Kobayashi, Hidekatsu Akiyama, Hirofumi Miyauchi, Ryo Onogawa
  • Patent number: 11928940
    Abstract: The present disclosure relates to a medium processing apparatus, including: a banknote device configured to process a banknote, including a banknote device door arranged at an opening of a safe box and being movable between an open position and a closed position; a banknote device lock configured to switch the banknote device door between a locked state and an unlocked state, a loose coin device configured to process a loose coin, including a loose coin device door arranged at an opening of a safe box and being movable between an open position and a closed position; a loose coin device lock configured to switch the loose coin device door between a locked state and an unlocked state, wherein the banknote device lock and the loose coin device lock perform a switching between the locked state and the unlocked state independently from each other.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: March 12, 2024
    Assignee: Glory Ltd.
    Inventors: Kazuhiko Takahashi, Takaaki Imoto, Hirofumi Tougo, Hitoshi Kobayashi
  • Patent number: 11912878
    Abstract: A method of producing organic-inorganic hybrid infrared absorbing particles includes a dispersion liquid preparing step of preparing a dispersion liquid containing infrared absorbing particles, a dispersant, and a dispersion medium; a dispersion medium removing step of removing the dispersion medium from the dispersion liquid by an evaporation; a raw material mixture liquid preparing step of preparing a raw material mixture liquid containing the infrared absorbing particles collected after the dispersion medium removing step, a coating resin material, an organic solvent, an emulsifying agent, water, and a polymerization initiator; a stirring step of stirring the raw material mixture liquid while cooling; and a polymerizing step of polymerizing the coating resin material after deoxygenation treatment which reduces an amount of oxygen in the raw material mixture liquid.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: February 27, 2024
    Assignees: SUMITOMO METAL MINING CO., LTD., NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY
    Inventors: Hirofumi Tsunematsu, Takeshi Chonan, Atsushi Tofuku, Seigou Kawaguchi, Naohiro Kobayashi
  • Publication number: 20220097319
    Abstract: The present invention provides: a multilayer sheet which contains a polyolefin resin and carbon fibers, and which is highly competitive in price; and a method for producing this multilayer sheet. A multilayer sheet (100) according to the present invention comprises: a carbon fiber layer (20) which contains a woven fabric of carbon fibers; and polyolefin resin lavers (10) which are in contact with the both surfaces of the carbon fiber layer (20). The carbon fiber layer (20) has a porosity of 10.0% or less.
    Type: Application
    Filed: December 19, 2019
    Publication date: March 31, 2022
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Hirofumi KOBAYASHI, Hideki KOBAYASHI
  • Patent number: 9498950
    Abstract: A retaining structure of a flexible wiring member includes a flexible wiring member and a retaining member. The flexible wiring member includes a front side wiring electrode formed on a front side of the flexible wiring member and a rear side electrode formed on a rear side thereof, and the flexible wiring member is bonded to the retaining member via the rear side electrode. Such structure may be employed in a liquid discharge head in which wiring and a pressure generator are disposed in an actuator substrate including an electrode. The electrode of the actuator and that of the flexible wiring member are connected, and the flexible wiring member is retained to the actuator or a member joined to the actuator via the retaining structure of the wiring member.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: November 22, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventor: Hirofumi Kobayashi
  • Publication number: 20160338193
    Abstract: A multilayer board disclosed herein includes: a plurality of insulating layers made of a thermosetting resin and stacked on one another, each insulating layer being provided with a via hole; a plurality of wiring each formed between the insulating layers and including an inclined side surface; and a conductive via made of a cured product of conductive paste filled in the via hole and connecting the vertically adjacent wiring to each other. Here, orientations of the inclined side surfaces are alternately changed from the wiring to the wiring.
    Type: Application
    Filed: April 15, 2016
    Publication date: November 17, 2016
    Applicant: FUJITSU LIMITED
    Inventors: Junichi Kanai, Yasuhiro Karahashi, Hirofumi Kobayashi, Shunsuke KOGOI, Junichi Murayama, Koji Komemura, Hidehiko Fujisaki
  • Publication number: 20160128175
    Abstract: A retaining structure of a flexible wiring member includes a flexible wiring member; and a retaining member. The flexible wiring member includes a front side wiring electrode formed on a front side the flexible wiring member and a rear side wiring electrode formed on a rear side thereof, and the flexible wiring member is bonded to the retaining member via the rear side wiring electrode. A liquid discharge head includes nozzles to discharge a liquid; an individual liquid chamber to hold the liquid; a pressure generator to press the liquid inside the individual liquid chamber; an actuator substrate, including an electrode, in which a wiring and the pressure generator are disposed. The electrode of the actuator and that of the flexible wiring member are connected; and the flexible wiring member is retained to the actuator or a member joined to the actuator via the retaining structure of the wiring member.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 5, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventor: Hirofumi Kobayashi
  • Publication number: 20140293468
    Abstract: A light-blocking mask layer (3) having such light transmittance characteristics that an amount of transmitted light decreases gradually as it advances in a radial direction Fr from a center of optical axis Cs is formed on a surface of a flat transparent substrate at least having a light transmittance of 80% or higher using at least a dot pattern Pd formed of a large number of dots d, having a light transmittance of 20% or lower.
    Type: Application
    Filed: March 11, 2014
    Publication date: October 2, 2014
    Applicant: COSINA CO., LTD.
    Inventors: Masayuki MIKAMI, Kazuo KIMURA, Hirofumi KOBAYASHI
  • Patent number: 8273418
    Abstract: Provided herein is a head unit arrangement method for arranging a plurality of head units in a liquid droplet ejection device that plots an image in a matrix form with functional liquid droplets in a number n of colors by performing the number n of primary scans and a number (n?1) of secondary scans. The head unit arrangement method includes evaluating liquid droplet ejection performance of each of the head units based on an inspection result of a volume of liquid droplet ejection from each of the functional liquid droplet ejection heads to arrange two of the head units that exhibit the lowest liquid droplet ejection performance at both ends in the Y-axis direction.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: September 25, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Satoru Katagami, Hirofumi Kobayashi, Sadaharu Komori
  • Patent number: 8186806
    Abstract: A head unit includes a plurality of nozzle groups. Each group has a plurality of nozzles discharging liquid as liquid droplets. The nozzles are arranged at an approximately equal distance from one another when viewed from a first direction. The nozzle groups are arranged at the distance when viewed from the first direction and in a direction intersecting with the first direction, and adjacent nozzles of the nozzle groups adjacent when viewed from the first direction discharge an approximately equal amount of the liquid droplet.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: May 29, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Kitahara, Hirofumi Kobayashi
  • Patent number: 8153953
    Abstract: A light receiving circuit includes: a transimpedance amplifier circuit which is connected to a light receiving element; a differential amplifier which operates by a predetermined current supplied by a current source to output a current corresponding to a differential signal between a signal outputted from the transimpedance amplifier circuit and a predetermined reference signal; a current mirror unit which outputs a current corresponding to the current outputted from the differential amplifier; and a conversion unit which converts the current outputted from the current mirror unit into voltage.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: April 10, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shigeyuki Sakura, Hirofumi Kobayashi
  • Publication number: 20120068052
    Abstract: An optical receiver circuit according to an embodiment includes a light receiving units configured to output a current according to input light, and an inverting amplifier having an input terminal and an output terminal, the input terminal connected to the light receiving units, and a feedback circuit connected between the input terminal and the output terminal, and provided with a plurality of pairs of a pole and a zero on a negative real axis on a Laplace plane so that transimpedance characteristics show high gains of a plurality of steps on high-frequency side.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 22, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigeyuki Sakura, Hirofumi Kobayashi
  • Patent number: 7875807
    Abstract: An electronic device includes an electronic part including at least one first electrode, a substrate including at least one second electrode, and at least one bump formed on the at least one first electrode and formed from an elastic conductive resin including a resin having rubbery elasticity, and an acicular conductive filler including a surface layer coated with one of gold, silver, nickel, and copper. The at least one first electrode and the at least one second electrode are electrically connected to each other by mechanically contacting the at least one bump with the at least one second electrode.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: January 25, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Takeshi Sano, Hirofumi Kobayashi, Hideaki Ohkura
  • Publication number: 20100328397
    Abstract: A head unit includes a plurality of nozzle groups. Each group has a plurality of nozzles discharging liquid as liquid droplets. The nozzles are arranged at an approximately equal distance from one another when viewed from a first direction. The nozzle groups are arranged at the distance when viewed from the first direction and in a direction intersecting with the first direction, and adjacent nozzles of the nozzle groups adjacent when viewed from the first direction discharge an approximately equal amount of the liquid droplet.
    Type: Application
    Filed: September 2, 2010
    Publication date: December 30, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsuyoshi KITAHARA, Hirofumi KOBAYASHI
  • Patent number: 7810903
    Abstract: A head unit includes a plurality of nozzle groups. Each group has a plurality of nozzles discharging liquid as liquid droplets. The nozzles are arranged at an approximately equal distance from one another when viewed from a first direction. The nozzle groups are arranged at the distance when viewed from the first direction and in a direction intersecting with the first direction, and adjacent nozzles of the nozzle groups adjacent when viewed from the first direction discharge an approximately equal amount of the liquid droplet.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: October 12, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Kitahara, Hirofumi Kobayashi
  • Patent number: 7755020
    Abstract: There is provided a light receiving circuit including, a light receiving element outputting electrical current corresponding to input light, and a current-voltage converter having current-voltage conversion characteristic, the current-voltage conversion characteristic becoming smaller at a low frequency side and larger at a high frequency side, the current-voltage converter converting the current to the voltage and outputting the voltage.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: July 13, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shigeyuki Sakura, Hirofumi Kobayashi
  • Patent number: 7748114
    Abstract: The present invention discloses a method of forming a conductive pattern including the steps of a) printing a conductive pattern onto a surface of a base material having a liquid repellent property, b) providing a lyophilic property to a predetermined area of the surface of the base material which area does not have the conductive pattern printed thereon, and c) forming an insulating layer that covers the conductive pattern.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: July 6, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Takeshi Sano, Hideaki Ohkura, Hirofumi Kobayashi, Kunio Ikeda
  • Patent number: 7607897
    Abstract: A reciprocating compressor includes a cylinder block having formed therein a plurality of cylinders, pistons that make reciprocal movement inside the cylinders, a first cylinder head fixed to one end of the cylinder block via a valve plate, a second cylinder head fixed to another end of the cylinder block via a valve plate, a first delivery chamber formed at the first cylinder head, into which a working fluid let out from a first compression space formed toward one end inside each of the cylinders is guided, a second delivery chamber formed at the second cylinder head, into which a working fluid let out from a second compression space formed toward another end inside each of the cylinders is guided, a plurality of delivery passages formed at the cylinder block and an outlet port located at the cylinder block or the cylinder head.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: October 27, 2009
    Assignee: Valeo Thermal Systems Japan Corporation
    Inventors: Satoshi Watanabe, Minoru Kanaizuka, Yasunori Hujita, Ryosuke Izawa, Toshiaki Kuribara, Hironori Tomita, Hirofumi Kobayashi
  • Publication number: 20090160890
    Abstract: Provided herein is a head unit arrangement method for arranging a plurality of head units in a liquid droplet ejection device that plots an image in a matrix form with functional liquid droplets in a number n of colors by performing the number n of primary scans and a number (n?1) of secondary scans. The head unit arrangement method includes evaluating liquid droplet ejection performance of each of the head units based on an inspection result of a volume of liquid droplet ejection from each of the functional liquid droplet ejection heads to arrange two of the head units that exhibit the lowest liquid droplet ejection performance at both ends in the Y-axis direction.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 25, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Satoru KATAGAMI, Hirofumi KOBAYASHI, Sadaharu KOMORI
  • Publication number: 20090084942
    Abstract: A light receiving circuit includes: a transimpedance amplifier circuit which is connected to a light receiving element; a differential amplifier which operates by a predetermined current supplied by a current source to output a current corresponding to a differential signal between a signal outputted from the transimpedance amplifier circuit and a predetermined reference signal; a current mirror unit which outputs a current corresponding to the current outputted from the differential amplifier; and a conversion unit which converts the current outputted from the current mirror unit into voltage.
    Type: Application
    Filed: September 24, 2008
    Publication date: April 2, 2009
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigeyuki Sakura, Hirofumi Kobayashi