Patents by Inventor Futoshi Shimai

Futoshi Shimai 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: 11233245
    Abstract: [Problems] To easily and efficiently manufacture a catalyst layer having high catalytic activity and to easily manufacture a fuel cell having high power generation efficiency. [Solution] An apparatus for forming a catalyst layer 3 for a fuel cell on an electrolyte film (application object) 2, the apparatus including: a holding portion 6 that holds a sheet-shaped electrolyte film 2, an application portion 7 that applies a catalyst ink 5 for forming the catalyst layer 3 on at least one side of the electrolyte film 2 held by the holding portion 6, a chamber portion 8 that is capable of forming a space 55 including the holding portion 6, and a suction portion 9 that depressurizes the inside of the space 55 formed by the chamber portion 8 so as to dry the catalyst ink 5.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: January 25, 2022
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Futoshi Shimai, Hiroshi Okonogi, Yasuhiro Numao, Takayuki Hirao, Kimio Nishimura
  • Publication number: 20180309135
    Abstract: [Problems] To easily and efficiently manufacture a catalyst layer having high catalytic activity and to easily manufacture a fuel cell having high power generation efficiency. [Solution] An apparatus for forming a catalyst layer 3 for a fuel cell on an electrolyte film (application object) 2, the apparatus including: a holding portion 6 that holds a sheet-shaped electrolyte film 2, an application portion 7 that applies a catalyst ink 5 for forming the catalyst layer 3 on at least one side of the electrolyte film 2 held by the holding portion 6, a chamber portion 8 that is capable of forming a space 55 including the holding portion 6, and a suction portion 9 that depressurizes the inside of the space 55 formed by the chamber portion 8 so as to dry the catalyst ink 5.
    Type: Application
    Filed: October 13, 2016
    Publication date: October 25, 2018
    Inventors: Futoshi SHIMAI, Hiroshi OKONOGI, Yasuhiro NUMAO, Takayuki HIRAO, Kimio NISHIMURA
  • Patent number: 9214372
    Abstract: A substrate processing system includes a processing unit, a substrate loading unit, a substrate unloading unit, and a carrying unit. A carrying device has a constitution in which a suction portion suctioning and holding a substrate is rotatable about an arm portion provided in a base portion and the substrate is rotated in the state where the substrate is held by a holding portion. A coating device has a constitution in which a liquid material is ejected from a nozzle to both surfaces of the substrate rotating in an upright state.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: December 15, 2015
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsutomu Sahoda, Futoshi Shimai, Akihiko Sato
  • Patent number: 9010270
    Abstract: Provided is a coating device including: a substrate carrying unit which rotatably holds a substrate while the substrate is upright and is able to dispose the held substrate at a first position and a second position; an application unit which includes a liquid material nozzle ejecting a liquid material to each of first and second surfaces of the substrate disposed at the first position; and a removal unit which includes an accommodation mechanism accommodating a part of the peripheral edge portion of the substrate disposed at the second position and a cleaning liquid ejection mechanism ejecting a cleaning liquid to the peripheral edge portion and removes the liquid material of the peripheral edge portion.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 21, 2015
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Futoshi Shimai, Akihiko Sato, Tsutomu Sahoda, Kenji Maruyama
  • Patent number: 8919756
    Abstract: A substrate processing system includes a processing unit, a substrate loading unit, a substrate unloading unit, and a carrying unit. A carrying device has a constitution in which a suction portion suctioning and holding a substrate is rotatable about an arm portion provided in a base portion and the substrate is rotated in the state where the substrate is held by a holding portion. A coating device has a constitution in which a liquid material is ejected from a nozzle to both surfaces of the substrate rotating in an upright state.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: December 30, 2014
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsutomu Sahoda, Futoshi Shimai, Akihiko Sato
  • Publication number: 20140242284
    Abstract: A coating apparatus including a coating nozzle configured to apply a coating liquid to a substrate, and a gas supply part configured to supply a temperature control gas which controls an ejection direction of the coating liquid to the substrate.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Futoshi Shimai, Akihiko Sato, Kenji Maruyama, Hiroshi Hosoda, Masaki Chiba
  • Patent number: 8807072
    Abstract: Provided is a coating device including: a rotating part which rotatably holds a substrate while the substrate is upright; a cup portion disposed to surround an outer periphery of the substrate held by the rotating part and having an opening which exposes a first surface and a second surface of the substrate; a coating part which includes a nozzle ejecting a liquid material to the first surface and to the second surface of the substrate through the opening; and a cover portion which is provided on the first surface and the second surface sides of the substrate and by which the opening is opened and closed.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: August 19, 2014
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Futoshi Shimai, Tsutomu Sahoda, Akihiko Sato, Kenji Maruyama
  • Patent number: 8667924
    Abstract: A coating device including a coating mechanism which includes nozzles for ejecting a liquid material onto front and rear surfaces of the substrate while rotating a substrate in an upright state, and a nozzle managing mechanism which manages the state of the nozzles, in which the nozzle managing mechanism includes a soaking portion which dips the front end of the nozzle in a soak solution, and a discharging portion which discharges at least the soak solution, and a nozzle managing method.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: March 11, 2014
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsutomu Sahoda, Futoshi Shimai, Akihiko Sato
  • Publication number: 20140017407
    Abstract: A coating device including a substrate carrying unit which rotatably holds a substrate while the substrate is upright and is able to dispose the held substrate at a first position and a second position; an application unit which includes a liquid material nozzle ejecting a liquid material to each of first and second surfaces of the substrate disposed at the first position; and a removal unit which includes an accommodation mechanism accommodating a part of the peripheral edge portion of the substrate disposed at the second position and a cleaning liquid ejection mechanism ejecting a cleaning liquid to the peripheral edge portion and removes the liquid material of the peripheral edge portion.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 16, 2014
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Futoshi Shimai, Akihiko Sato, Tsutomu Sahoda, Kenji Maruyama
  • Patent number: 8617655
    Abstract: A coating device includes a coating mechanism which includes nozzles for ejecting a liquid material onto front and rear surfaces of a substrate while rotating the substrate; and an adjusting mechanism which adjusts the coating state of the liquid material at the outer periphery of the substrate; wherein the adjusting mechanism includes a dip portion which dips the outer periphery of the substrate in a solution while rotating the substrate and dissolves; and a suction portion which suctions the vicinity of the outer periphery of the substrate after dipping in the solution.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: December 31, 2013
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsutomu Sahoda, Futoshi Shimai, Akihiko Sato
  • Patent number: 8567342
    Abstract: A coating device includes a coating mechanism which includes nozzles for ejecting a liquid material onto front and rear surfaces of a substrate while rotating the substrate; and an adjusting mechanism which adjusts the coating state of the liquid material at the outer periphery of the substrate; wherein the adjusting mechanism includes a dip portion which dips the outer periphery of the substrate in a solution while rotating the substrate and dissolves and removes a thin film formed on the outer periphery of the substrate; and a suction portion which suctions the vicinity of the outer periphery of the substrate after dipping in the solution.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: October 29, 2013
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsutomu Sahoda, Futoshi Shimai, Akihiko Sato
  • Patent number: 8387556
    Abstract: A coating device includes a coating mechanism which includes nozzles for ejecting a liquid material onto front and rear surfaces of the substrate while rotating a substrate in an upright state at a predetermined coating position, a carrying mechanism which carries the substrate between a substrate loading position, the coating position, and a substrate unloading position, and a dummy substrate holding mechanism which holds a dummy substrate at a holding position which is a position different from the substrate loading position, the coating position, and the substrate unloading position, and at which the carrying mechanism is allowed to connect with the dummy substrate.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: March 5, 2013
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tsutomu Sahoda, Futoshi Shimai, Akihiko Sato
  • Patent number: 8189169
    Abstract: The object of the present invention is to provide a cooling apparatus which makes it possible to cool a substrate uniformly in a short period of time even if the substrate has a large area. The cooling apparatus 3 comprises a flat-box-shaped body 10, a cooling medium supply tube 11 which is inserted into the body 10, a nozzle 12 which is attached to the cooling medium supply tube 11 so as to eject the cooling medium toward the internal surface of the body, a pipe 13 for withdrawing water (refrigerant) ejected from the nozzle 12 toward the body 10, a chiller 14 for cooling the water from the pipe 13 to a predetermined temperature, and a circulating pipe 15 for sending the water which has been cooled by the chiller 14 back to the cooling medium supply tube 11.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: May 29, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Futoshi Shimai, Shigeru Kawata
  • Publication number: 20120079983
    Abstract: Provided is a coating device including: a rotating part which rotatably holds a substrate while the substrate is upright; a cup portion disposed to surround an outer periphery of the substrate held by the rotating part and having an opening which exposes a first surface and a second surface of the substrate; a coating part which includes a nozzle ejecting a liquid material to the first surface and to the second surface of the substrate through the opening; and a cover portion which is provided on the first surface and the second surface sides of the substrate and by which the opening is opened and closed.
    Type: Application
    Filed: December 7, 2011
    Publication date: April 5, 2012
    Applicant: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Futoshi Shimai, Tsutomu Sahoda, Akihiko Sato, Kenji Maruyama
  • Publication number: 20110290178
    Abstract: Provided is a coating device including: a substrate carrying unit which rotatably holds a substrate while the substrate is upright and is able to dispose the held substrate at a first position and a second position; an application unit which includes a liquid material nozzle ejecting a liquid material to each of first and second surfaces of the substrate disposed at the first position; and a removal unit which includes an accommodation mechanism accommodating a part of the peripheral edge portion of the substrate disposed at the second position and a cleaning liquid ejection mechanism ejecting a cleaning liquid to the peripheral edge portion and removes the liquid material of the peripheral edge portion.
    Type: Application
    Filed: May 26, 2011
    Publication date: December 1, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Futoshi SHIMAI, Akihiko SATO, Tsutomu SAHODA, Kenji MARUYAMA
  • Patent number: 7975997
    Abstract: A supporting pin which can cancel thermal expansion of a mounting table (hot plate) includes an upper supporting pin and a lower supporting pin, wherein the upper supporting pin and the lower supporting pin are independent of each other, the upper supporting pin is retained by the penetrating hole of the mounting table, and the lower supporting pin is attached to an elevator mechanism. Since the lower end of the upper supporting pin and the upper end of the lower supporting pin are in contact with each other, the operation of the supporting pin can be normally performed even when thermal expansion of the hot plate occurs.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: July 12, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventor: Futoshi Shimai
  • Patent number: 7943886
    Abstract: A heat treatment apparatus capable of ensuring a uniform temperature distribution on a substrate and reducing the generation of a sublimate includes a housing, a mounting table being arranged to move up and down within the housing, and a first heater being provided on the mounting table to heat a substrate placed on the mounting table, a second heater is provided on one side of the housing while an exhaust device is provided on the other side of the housing.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: May 17, 2011
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventor: Futoshi Shimai
  • Publication number: 20110008534
    Abstract: A coating device including a coating mechanism which includes nozzles for ejecting a liquid material onto front and rear surfaces of the substrate while rotating a substrate in an upright state, and a nozzle managing mechanism which manages the state of the nozzles, in which the nozzle managing mechanism includes a soaking portion which dips the front end of the nozzle in a soak solution, and a discharging portion which discharges at least the soak solution, and a nozzle managing method.
    Type: Application
    Filed: June 25, 2010
    Publication date: January 13, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsutomu SAHODA, Futoshi SHIMAI, Akihiko SATO
  • Publication number: 20110000428
    Abstract: A coating device includes a coating mechanism which includes nozzles for ejecting a liquid material onto front and rear surfaces of the substrate while rotating a substrate in an upright state at a predetermined coating position, a carrying mechanism which carries the substrate between a substrate loading position, the coating position, and a substrate unloading position, and a dummy substrate holding mechanism which holds a dummy substrate at a holding position which is a position different from the substrate loading position, the coating position, and the substrate unloading position, and at which the carrying mechanism is allowed to connect with the dummy substrate.
    Type: Application
    Filed: June 25, 2010
    Publication date: January 6, 2011
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsutomu SAHODA, Futoshi SHIMAI, Akihiko SATO
  • Publication number: 20100326354
    Abstract: A substrate processing system includes a processing unit, a substrate loading unit, a substrate unloading unit, and a carrying unit. A carrying device has a constitution in which a suction portion suctioning and holding a substrate is rotatable about an arm portion provided in a base portion and the substrate is rotated in the state where the substrate is held by a holding portion. A coating device has a constitution in which a liquid material is ejected from a nozzle to both surfaces of the substrate rotating in an upright state.
    Type: Application
    Filed: September 8, 2010
    Publication date: December 30, 2010
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsutomu SAHODA, Futoshi SHIMAI, Akihiko SATO