Patents by Inventor Hitoshi Sakamoto

Hitoshi Sakamoto 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).

  • Patent number: 10232248
    Abstract: A game machine operating device mounted on a game machine with a game board and provided on a front side of the game board includes: an operation unit which receives an operation; and a projection unit which radiates light in a direction toward the game board to project a first image on an area in a field of view of a player viewing the game board. The projection unit includes: a first light source; and a light guide into which light emitted from the first light source is guided. The light guide has a light diffusion pattern formed on one or both of a front surface and a rear surface, wherein light is emitted through the light diffusion pattern to form the first image. A part on which the light diffusion pattern is formed is disposed to be directed in the direction toward the game board.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: March 19, 2019
    Assignee: OMRON Corporation
    Inventors: Hitoshi Sakamoto, Masaki Mizutani
  • Patent number: 9968003
    Abstract: A cooling device 100 includes a first heat receiving unit 400, a second heat receiving unit 410, a first heat dissipating unit 700, and a second heat dissipating unit 710. The first heat dissipating unit 700 and the second heat dissipating unit 710 have a flat plate shape and have a structure in which air passes in a direction approximately perpendicular to a principal surface having a flat plate shape and a first principal surface 730 that is a principal surface having a flat plate shape in the first heat dissipating unit 700 and a second principal surface 740 that is a principal surface having a flat plate shape in the second heat dissipating unit 710 are arranged so as to face to each other. As a result, the size of the cooling device 100 can be reduced without degrading a heat dissipation performance to dissipate heat generated by a heat generating element.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: May 8, 2018
    Assignee: NEC Corporation
    Inventors: Hitoshi Sakamoto, Minoru Yoshikawa, Mahiro Hachiya
  • Publication number: 20180056177
    Abstract: A game machine input device mounted on a game machine provided with a playfield; the game machine input device includes: an input unit provided toward the front of the playfield and configured to accept input; and a projection part configured to radiate light toward the playfield to project a first image in a region within the visual field of a player viewing the playfield.
    Type: Application
    Filed: July 24, 2017
    Publication date: March 1, 2018
    Applicant: OMRON Corporation
    Inventors: Hitoshi SAKAMOTO, Masaki MIZUTANI
  • Publication number: 20180056176
    Abstract: A game machine operating device mounted on a game machine with a game board and provided on a front side of the game board includes: an operation unit which receives an operation; and a projection unit which radiates light in a direction toward the game board to project a first image on an area in a field of view of a player viewing the game board. The projection unit includes: a first light source; and a light guide into which light emitted from the first light source is guided. The light guide has a light diffusion pattern formed on one or both of a front surface and a rear surface, wherein light is emitted through the light diffusion pattern to form the first image. A part on which the light diffusion pattern is formed is disposed to be directed in the direction toward the game board.
    Type: Application
    Filed: July 20, 2017
    Publication date: March 1, 2018
    Applicant: OMRON Corporation
    Inventors: Hitoshi SAKAMOTO, Masaki MIZUTANI
  • Patent number: 9868323
    Abstract: A vehicle approach alert device includes: a microcomputer having a memory that stores approach alert sound data, and a signal generator that generates an approach alert sound voltage waveform signal based on the approach alert sound data. The vehicle approach alert device alerts approach of a vehicle by outputting a vehicle approach alert sound from a sound outputting body according to the approach alert sound voltage waveform signal. The microcomputer further includes: an obtaining device that obtains a sound outputting body temperature; and a sound pressure correcting device that corrects a voltage level of the approach alert sound voltage waveform signal to be larger as the sound outputting body temperature increases.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: January 16, 2018
    Assignee: ANDEN CO., LTD.
    Inventors: Haruyuki Tsuzuki, Tsutomu Suzuki, Hitoshi Sakamoto
  • Publication number: 20170350010
    Abstract: [Object] To provide a resin container having a dense and. thin coating with good gas barrier properties and a resin-container coating apparatus. [Solution] A metal oxide film 102 is formed on at least one of inner and outer surfaces of a resin container 101. The metal oxide film 102 includes a stack of layers of a metal forming the metal oxide film that are deposited on an atomic level and has a thickness of 5 to 100 nm.
    Type: Application
    Filed: October 30, 2015
    Publication date: December 7, 2017
    Applicants: TAKEMOTO YOHKI CO., LTD.
    Inventors: Fumihiko Hirose, Etsuko Takemoto, Hiroshi Fujimori, Tsuyoshi Mashima, Hitoshi Sakamoto, Kenichi Ishibashi
  • Patent number: 9820407
    Abstract: An electronic board 200 has a heat generating component 220 mounted on it. An enclosure 300 houses the electronic board 200. A heat transport unit 400 is coupled to the enclosure 300 and transports heat generated by the heat generating component 220 to the outside. A heat receiving unit 510 is provided in a heat transport unit 400, 400A. The heat receiving unit 510 receives heat generated by the heat generating component 220. A heat dissipating unit 530 is provided in the heat transport unit 400 in such a manner that a portion of the heat dissipating unit 530 is exposed to outside air, and is coupled to the heat receiving unit 510. The heat dissipating unit 530 dissipates heat received by the heat receiving unit 510 to the outside. A guide duct unit 340 is formed into a tube interconnecting the heat generating component 220 and the heat receiving unit 510 in order to release heat of the heat generating component 220 to the heat receiving unit 510.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: November 14, 2017
    Assignee: NEC Corporation
    Inventors: Hitoshi Sakamoto, Minoru Yoshikawa, Akira Shoujiguchi, Masaki Chiba, Kenichi Inaba, Arihiro Matsunaga
  • Patent number: 9783107
    Abstract: A vehicle approach alert device that outputs an approach report sound from a sounding body includes: a memory part in which data of the approach report sound is memorized; a signal generator that generates a voltage waveform signal of the approach report sound based on the data of the approach report sound; a calculator that calculates a temperature of the sounding body; and a correct part that corrects the approach report sound based on the temperature of the sounding body. The calculator acquires information about a temperature detected by a temperature sensor located at a position different from the sounding body in the vehicle, and estimates the temperature of the sounding body based on the temperature detected by the temperature sensor.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: October 10, 2017
    Assignees: Anden Co., Ltd., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hitoshi Sakamoto, Hironari Tajimi, Chikara Yamamoto, Tomonori Suzuki, Tadashi Matsui
  • Patent number: 9696068
    Abstract: In order to maintain a high cooling capability even in a case where a heating element has a lower calorific value, a boiling section of a heat receiving section in a phase change cooling apparatus includes a comb-shaped structure and a porous layer provided on a bottom portion of the comb-shaped structure between fins of the comb-shaped structure. With such a boiling section, a liquid film of a liquid phase refrigerant is forcedly made thinner. Thus, the liquid phase refrigerant is changed in phase into a gaseous phase refrigerant even in a case of a small difference between the temperature of the gaseous phase refrigerant and the temperature of the heat receiving surface.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: July 4, 2017
    Assignee: NEC Corporation
    Inventors: Arihiro Matsunaga, Minoru Yoshikawa, Hitoshi Sakamoto, Akira Shoujiguchi, Masaki Chiba, Kenichi Inaba
  • Patent number: 9693485
    Abstract: A cooling system of an electronic device storing apparatus of the present invention comprises: a rack including an electronic device and a plurality of placement shelves to place the electronic device; in the rack, a vaporizer having a refrigerant internally being mounted; outside the rack, a condensing part connected with the vaporizer by a laying pipe being installed; and a refrigerant adjustment means for adjusting a height of a refrigerant surface in the vaporizer.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: June 27, 2017
    Assignee: NEC Corporation
    Inventors: Kenichi Inaba, Minoru Yoshikawa, Hitoshi Sakamoto, Akira Shoujiguchi, Arihiro Matsunaga, Masaki Chiba
  • Publication number: 20170151907
    Abstract: A vehicle approach alert device that outputs an approach report sound from a sounding body includes: a memory part in which data of the approach report sound is memorized; a signal generator that generates a voltage waveform signal of the approach report sound based on the data of the approach report sound; a calculator that calculates a temperature of the sounding body; and a correct part that corrects the approach report sound based on the temperature of the sounding body. The calculator acquires information about a temperature detected by a temperature sensor located at a position different from the sounding body in the vehicle, and estimates the temperature of the sounding body based on the temperature detected by the temperature sensor.
    Type: Application
    Filed: October 20, 2016
    Publication date: June 1, 2017
    Inventors: Hitoshi SAKAMOTO, Hironari TAJIMI, Chikara YAMAMOTO, Tomonori SUZUKI, Tadashi MATSUI
  • Publication number: 20170125323
    Abstract: A cooler grows in size and its structure becomes complicated in a phase-change cooler if it is intended to cool a plurality of heating elements; therefore, a phase-change cooler according to an exemplary aspect of the present invention includes a heat-conducting board configured to be thermally connected to a cooling object; heat receiving means for storing a refrigerant and receiving heat of the cooling object through the heat-conducting board; radiation means for radiating heat, condensing and devolatilizing a vapor-phase refrigerant arising from vaporization of the refrigerant in the heat receiving means; and connection means for connecting the heat receiving means and the radiation means.
    Type: Application
    Filed: March 20, 2015
    Publication date: May 4, 2017
    Applicant: NEC Corporation
    Inventors: Hitoshi SAKAMOTO, Minoru YOSHIKAWA, Mahiro HACHIYA
  • Patent number: 9605907
    Abstract: A phase change cooler of the present invention includes: a plurality of heat receiving units that cause a refrigerant to change phase from liquid to gas by heat received from a heat generating body; one heat radiating unit that causes the refrigerant to change phase from gas to liquid by radiating heat to surrounding area; a plurality of vapor tubes that respectively transport the refrigerant in a vapor state from each of the heat receiving units to the heat radiating unit; a liquid tube that respectively circulates the refrigerant in a liquid state from the heat radiating unit to each of the heat receiving units; and a bypass tube that connects each of the heat receiving units to each other.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: March 28, 2017
    Assignee: NEC CORPORATION
    Inventors: Hitoshi Sakamoto, Minoru Yoshikawa, Kenichi Inaba, Takeya Hashiguchi
  • Patent number: 9604979
    Abstract: The present invention relates to a compound represented by the formula (A) or (B), or a salt thereof capable of improving a red color of pyrroloquinoline quinone (PQQ) and obtaining functions of original PQQ, and to a method of efficiently manufacturing the compound. wherein R is an alkyl group, a hydroxyalkyl group, a dihydroxyalkyl group, or an alkoxyalkyl group.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: March 28, 2017
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kazuto Ikemoto, Hitoshi Sakamoto
  • Patent number: 9557117
    Abstract: A cooling structure is provided which includes: an evaporation chamber defined by a base plate having a boiling surface, a ceiling plate and a side wall; a plurality of plate-shaped fins arranged in parallel on the boiling surface, defining a plurality of coolant passages in the evaporation chamber, a liquid phase coolant flows through the coolant passages in one direction from one end portion thereof toward another end portion; a liquid return port formed in the side wall facing the one end portion of coolant passages; and a vapor port formed in the ceiling plate facing the other end portion of coolant passages, wherein space is formed between the ceiling plate and an upper end portion of the plurality of plate-shaped fins, the space expanding gradually from a liquid return port side of the side wall toward the vapor port.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: January 31, 2017
    Assignee: NEC CORPORATION
    Inventors: Minoru Yoshikawa, Hitoshi Sakamoto, Takeya Hashiguchi
  • Publication number: 20160338226
    Abstract: A cooling device 100 includes a first heat receiving unit 400, a second heat receiving unit 410, a first heat dissipating unit 700, and a second heat dissipating unit 710. The first heat dissipating unit 700 and the second heat dissipating unit 710 have a flat plate shape and have a structure in which air passes in a direction approximately perpendicular to a principal surface having a flat plate shape and a first principal surface 730 that is a principal surface having a flat plate shape in the first heat dissipating unit 700 and a second principal surface 740 that is a principal surface having a flat plate shape in the second heat dissipating unit 710 are arranged so as to face to each other. As a result, the size of the cooling device 100 can be reduced without degrading a heat dissipation performance to dissipate heat generated by a heat generating element.
    Type: Application
    Filed: January 15, 2015
    Publication date: November 17, 2016
    Applicant: NEC Corporation
    Inventors: Hitoshi SAKAMOTO, Minoru YOSHIKAWA, Mahiro HACHIYA
  • Patent number: 9459031
    Abstract: A cooling apparatus includes N (N is an integer of 2 or larger) refrigerant storage units arranged in a vertical direction and configured to store refrigerants, a condensation unit disposed above the N refrigerant storage units, a steam pipe for circulating gas phase refrigerants flowing out of the N refrigerant storage units to the condensation unit, a liquid pipe for circulating a liquid phase refrigerant flowing out of the condensation unit to an uppermost refrigerant storage unit, and separation piping for circulating a liquid phase refrigerant flowing out of an upper refrigerant storage unit to a lower refrigerant storage unit. The liquid phase refrigerant flows into each refrigerant storage unit via an inlet, and flows out from the refrigerant storage unit via a first connection port formed below the inlet.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: October 4, 2016
    Assignee: NEC Corporation
    Inventors: Kenichi Inaba, Minoru Yoshikawa, Hitoshi Sakamoto, Akira Shoujiguchi, Masaki Chiba, Arihiro Matsunaga
  • Patent number: 9456528
    Abstract: It is impossible in a cooling device using a phase-change system, seeking high heat transport performance, to obtain sufficient cooling performance due to the increase in thermal resistance with a heating element to be cooled, therefore, a connecting structure of a cooling device according to an exemplary aspect of the present invention includes a connecting board with an opening; a pressing plate of thin plate elastically deformable; first fixing means for fixing the pressing plate to the connecting board with the pressing plate disposed covering heat receiving means composing the cooling device; and second fixing means for fixing the connecting board to a substrate with the heat receiving means abutting against a heating element mounted on the substrate and disposed in the opening.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 27, 2016
    Assignee: NEC Corporation
    Inventors: Arihiro Matsunaga, Minoru Yoshikawa, Hitoshi Sakamoto, Akira Shoujiguchi, Masaki Chiba, Kenichi Inaba
  • Patent number: 9433129
    Abstract: It is impossible in a cooling device using a phase-change system, seeking high heat transport performance, to obtain sufficient cooling performance due to the increase in thermal resistance with a heating element to be cooled, therefore, a connecting structure of a cooling device according to an exemplary aspect of the present invention includes a connecting board with an opening; a pressing plate of thin plate elastically deformable; first fixing means for fixing the pressing plate to the connecting board with the pressing plate disposed covering heat receiving means composing the cooling device; and second fixing means for fixing the connecting board to a substrate with the heat receiving means abutting against a heating element mounted on the substrate and disposed in the opening.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: August 30, 2016
    Assignee: NEC Corporation
    Inventors: Arihiro Matsunaga, Minoru Yoshikawa, Hitoshi Sakamoto, Akira Shoujiguchi, Masaki Chiba, Kenichi Inaba
  • Publication number: 20160209120
    Abstract: A boiling heat transfer device of the present invention includes: a heat receiving portion that boils a liquefied refrigerant to convert it to vapor, and contacts with a device to be cooled and cools the device to be cooled; a vapor tube that connects to an upper portion of the heat receiving portion and conveys the vapor generated by the heat receiving portion; a heat dissipating portion that condenses the vapor conveyed from the vapor tube to convert it to a liquefied refrigerant and dissipates heat to an atmosphere; and a liquid tube that returns to the heat receiving portion the liquefied refrigerant condensed by the heat dissipating portion. At least a portion of a cross-sectional area of a flow passage of the vapor in the heat receiving portion gradually decreases from a lower portion of the heat receiving portion toward the upper portion of the heat receiving portion.
    Type: Application
    Filed: March 28, 2016
    Publication date: July 21, 2016
    Applicant: NEC Corporation
    Inventors: Hitoshi SAKAMOTO, Minoru YOSHIKAWA, Takeya HASHIGUCHI