Patents by Inventor Seiji Ishizuka

Seiji Ishizuka 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: 20240082871
    Abstract: A coating device includes a backup roll configured to transport a workpiece; a coating die configured to discharge a coating liquid onto the workpiece; a drive section capable configured to drive the backup roll; and a heat dissipation section configured to dissipate heat generated in the drive section.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 14, 2024
    Applicants: Toyota Jidosha Kabushiki Kaisha, Primearth EV Energy Co., Ltd., Prime Planet Energy & Solutions, Inc.
    Inventors: Taichi URAKAMI, Seiji ISHIZU, Yu ICHINO, Masakazu UMEHARA, Naohiro ISHIZUKA, Naoya KISHIMOTO
  • Patent number: 7575773
    Abstract: An optical compensatory sheet producing apparatus produces an optical compensatory sheet having a liquid crystal layer. In the apparatus, a rubbing unit is supplied with resin film having a first layer including resin, and subjects the first layer to a rubbing process, so as to form an orientation layer. A dust remover removes dust from the orientation layer by use of liquid such as perfluorocarbon, to which the orientation layer is insoluble. A liquid crystal layer coater is disposed downstream from the dust remover, for coating the orientation layer with coating liquid including liquid crystalline compound, so that the liquid crystal layer is formed.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: August 18, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Seiji Ishizuka, Munehiro Ura, Tadashi Sugiyama, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuki Kawanishi
  • Publication number: 20060177587
    Abstract: An optical compensatory sheet producing apparatus produces an optical compensatory sheet having a liquid crystal layer. In the apparatus, a rubbing unit is supplied with resin film having a first layer including resin, and subjects the first layer to a rubbing process, so as to form an orientation layer. A dust remover removes dust from the orientation layer by use of liquid such as perfluorocarbon, to which the orientation layer is insoluble. A liquid crystal layer coater is disposed downstream from the dust remover, for coating the orientation layer with coating liquid including liquid crystalline compound, so that the liquid crystal layer is formed.
    Type: Application
    Filed: March 17, 2006
    Publication date: August 10, 2006
    Inventors: Seiji Ishizuka, Munehiro Ura, Tadashi Sugiyama, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuko Kawanishi
  • Patent number: 7074458
    Abstract: A coating device for coating a coating solution on a web has a roller and a weir which partially constructs a solution store space. In the solution store space the coating solution is stored. When the web sequentially moves in a direction, the roller rotates and the solution in the solution store space is supplied on the web. Thereby a part of the solution overflows the weir such that another part of the solution may remain on the web to have a constant width in a widthwise direction of the web. A drying device has plural drying zones in which the web is fed after the coating of the coating solution. One of the drying zones is neighbored to the coating device. A top of the plural drying zones is constructed of a blow regulation member so as to confront to the solution on the web. The blow regulation member has holes through which is exhausted a gas evaporated from the layer of the solution on the web.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: July 11, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Ishizuka, Shinji Hikita, Tomonari Ogawa, Toshio Shibata, Takashi Nawano, Hidetomo Itoh
  • Publication number: 20050018116
    Abstract: An optical compensatory sheet producing apparatus produces an optical compensatory sheet having a liquid crystal layer. In the apparatus, a rubbing unit is supplied with resin film having a first layer including resin, and subjects the first layer to a rubbing process, so as to form an orientation layer. A dust remover removes dust from the orientation layer by use of liquid such as perfluorocarbon, to which the orientation layer is insoluble. A liquid crystal layer coater is disposed downstream from the dust remover, for coating the orientation layer with coating liquid including liquid crystalline compound, so that the liquid crystal layer is formed.
    Type: Application
    Filed: August 17, 2004
    Publication date: January 27, 2005
    Inventors: Seiji Ishizuka, Munehiro Ura, Tadashi Sugiyama, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuki Kawanishi
  • Publication number: 20040234697
    Abstract: A coating device for coating a coating solution on a web has a roller and a weir which partially constructs a solution store space. In the solution store space the coating solution is stored. When the web sequentially moves in a direction, the roller rotates and the solution in the solution store space is supplied on the web. Thereby a part of the solution overflows the weir such that another part of the solution may remain on the web to have a constant width in a widthwise direction of the web. A drying device has plural drying zones in which the web is fed after the coating of the coating solution. One of the drying zones is neighbored to the coating device. A top of the plural drying zones is constructed of a blow regulation member so as to confront to the solution on the web. The blow regulation member has holes through which is exhausted a gas evaporated from the layer of the solution on the web.
    Type: Application
    Filed: June 24, 2004
    Publication date: November 25, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Seiji Ishizuka, Shinji Hikita, Tomonari Ogawa, Toshio Shibata, Takashi Nawano, Hidetomo Itoh
  • Patent number: 6812982
    Abstract: An optical compensatory sheet producing apparatus produces an optical compensatory sheet having a liquid crystal layer. In the apparatus, a rubbing unit is supplied with resin film having a first layer including resin, and subjects the first layer to a rubbing process, so as to form an orientation layer. A dust remover removes dust from the orientation layer by use of liquid such as perfluorocarbon, to which the orientation layer is insoluble. A liquid crystal layer coater is disposed downstream from the dust remover, for coating the orientation layer with coating liquid including liquid crystalline compound, so that the liquid crystal layer is formed.
    Type: Grant
    Filed: May 9, 2001
    Date of Patent: November 2, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Ishizuka, Munehiro Ura, Tadashi Sugiyama, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuki Kawanishi
  • Patent number: 6780470
    Abstract: A coating device for coating a coating solution on a web has a roller and a weir which partially constructs a solution store space. In the solution store space the coating solution is stored. When the web sequentially moves in a direction, the roller rotates and the solution in the solution store space is supplied on the web. Thereby a part of the solution overflows the weir such that another part of the solution may remain on the web to have a constant width in a widthwise direction of the web. A drying device has plural drying zones in which the web is fed after the coating of the coating solution. One of the drying zones is neighbored to the coating device. A top of the plural drying zones is constructed of a blow regulation member so as to confront to the solution on the web. The blow regulation member has holes through which is exhausted a gas evaporated from the layer of the solution on the web.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: August 24, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Ishizuka, Shinji Hikita, Tomonari Ogawa, Toshio Shibata, Takashi Nawano, Hidetomo Itoh
  • Publication number: 20030051371
    Abstract: A coating device for coating a coating solution on a web has a roller and a weir which partially constructs a solution store space. In the solution store space the coating solution is stored. When the web sequentially moves in a direction, the roller rotates and the solution in the solution store space is supplied on the web. Thereby a part of the solution overflows the weir such that another part of the solution may remain on the web to have a constant width in a widthwise direction of the web. A drying device has plural drying zones in which the web is fed after the coating of the coating solution. One of the drying zones is neighbored to the coating device. A top of the plural drying zones is constructed of a blow regulation member so as to confront to the solution on the web. The blow regulation member has holes through which is exhausted a gas evaporated from the layer of the solution on the web.
    Type: Application
    Filed: July 17, 2002
    Publication date: March 20, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Seiji Ishizuka, Shinji Hikita, Tomonari Ogawa, Toshio Shibata, Takashi Nawano, Hidetomo Itoh
  • Publication number: 20020027628
    Abstract: An optical compensatory sheet producing apparatus produces an optical compensatory sheet having a liquid crystal layer. In the apparatus, a rubbing unit is supplied with resin film having a first layer including resin, and subjects the first layer to a rubbing process, so as to form an orientation layer. A dust remover removes dust from the orientation layer by use of liquid such as perfluorocarbon, to which the orientation layer is insoluble. A liquid crystal layer coater is disposed downstream from the dust remover, for coating the orientation layer with coating liquid including liquid crystalline compound, so that the liquid crystal layer is formed.
    Type: Application
    Filed: May 9, 2001
    Publication date: March 7, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Seiji Ishizuka, Munehiro Ura, Tadashi Sugiyama, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuki Kawanishi
  • Patent number: 6234225
    Abstract: A cell electrode of a stripe rectangle shape having at least one electrode depolarizing mix layer on a current collector. A thickness of one end portion of the electrode depolarizing mix layer is thicker than an average thickness of the electrode depolarizing mix layer by 2 to 25%.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: May 22, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Mitsutoshi Tanaka, Masashi Ishiyama, Yasuo Aotsuka, Seiji Ishizuka, Kenichi Fukumura, Yoshinobu Katagiri
  • Patent number: 6054010
    Abstract: A method of making a cell electrode of a stripe rectangle shape having at least one electrode depolarizing mix layer on a current collector. A thickness of one end portion of the electrode depolarizing mix layer is thicker than an average thickness of the electrode depolarizing mix layer by 2 to 25%. The method comprises sequentially bond adhesive tape pieces to a strip conductive sheet, coating on electrode depolarizing mix solution on the surface of the stripe conductive sheet and peeling off the adhesive tape piece.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: April 25, 2000
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Mitsutoshi Tanaka, Masashi Ishiyama, Yasuo Aotsuka, Seiji Ishizuka, Kenichi Fukumura, Yoshinobu Katagiri
  • Patent number: 5989747
    Abstract: A cell electrode of a stripe rectangle shape having at least one electrode depolarizing mix layer on a current collector. The thickness of two end portions of the electrode depolarizing mix layer are thicker than an average thickness of the electrode depolarizing mix layer by 2 to 25%.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: November 23, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Mitsutoshi Tanaka, Masashi Ishiyama, Yasuo Aotsuka, Seiji Ishizuka, Kenichi Fukumura, Yoshinobu Katagiri
  • Patent number: 5834052
    Abstract: A method for producing an electrode sheet having a multilayer structure is disclosed, wherein two or more layers for an electrode sheet are simultaneously coated with a coating solution by using a coater.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: November 10, 1998
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kenichi Fukumura, Masashi Ishiyama, Seiji Ishizuka
  • Patent number: 5143759
    Abstract: A method and an apparatus of manufacturing a photographic plate of glass using a device in which an elastic flexible hanger is provided at the bottom of a liquid feeder located over the movement passage for the base of the plate, and the base is moved into contact with the hanger at the lower end thereof so that a liquid flowing out from the feeder is applied to the base. The base and the hanger are kept out of contact with each other until the leading edge of the base passes under the hanger. The base and the hanger are then put into contact with each other after the leading edge of the base has passed under the hanger so that the application is started. The base and the hanger are subsequently put out of contact with each other immediately before the liquid is applied to the base at the trailing edge thereof.
    Type: Grant
    Filed: July 10, 1991
    Date of Patent: September 1, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroki Saito, Seiji Ishizuka
  • Patent number: 5136970
    Abstract: A coating apparatus in which a series of substrates are conveyed along a predetermined path for receiving coating solution in which coating is carried out stably and coatings of uniform thickness are formed. A solution supplying unit is arranged above the path of the substrates. A flexible, elastic solid curtain member made of a water-impermeable material is attached to an outlet of said solution supplying unit, a front edge of which elastically contacts the substrates as they pass beneath the solution supplying unit so that coating solution flowing out of said solution supplying unit is applied to the substrates from the curtain member. A vertically movable solution receiver is positioned below the front edge of the curtain member with the solution receiver contacting the front edge of the curtain member when no substrate is located between the curtain member and the solution receiver so as to allow the coating solution to smoothly flow down the solution receiver.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: August 11, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroki Saito, Seiji Ishizuka
  • Patent number: 4977852
    Abstract: A device for simultaneous multilayer application in which discrete liquid substances are applied as at least two mutually-overlaid layers to a continuously moving web comprises a web, a backup roller around which the web moves and a hopper for simultaneously applying upper and lower layers to the web. The hopper includes first and second guide surfaces along which the liquid substances flow onto the web, and first and second slots for individually supplying the liquid substances to each of the guide surfaces. The slots are designed such that the length of the slot for supplying the lower layer is longer than the length of slot for supplying the upper layer and the width of the slot for supplying the lower layer is smaller than the width of the slot for supplying the upper layer. In this manner, the edges of the applied liquid substances are continuous along the length of the web and streaks are prevented from forming along the applied surfaces.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: December 18, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Seiji Ishizuka
  • Patent number: 4976999
    Abstract: A device for simultaneous multilayer application in which discrete liquid substances are applied as at least two mutually-overlaid layers to a continuously moving web comprises a web, a backup roller around which the web moves and a hopper for simultaneously applying upper and lower layers to the web. The hopper includes first and second guide surfaces along which the liquid substances flow onto the web, and first and second slots for individually supplying the liquid substances to each of the guide surfaces. The slots are designed such that the length of the slot for supplying the lower layer is longer than the length of slot for supplying the upper layer and the width of the slot for supplying the lower layer is smaller than the width of the slot for supplying the upper layer. In this manner, the edges of the applied liquid substances are continuous along the length of the web and streaks are prevented from forming along the applied surfaces.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: December 11, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Seiji Ishizuka
  • Patent number: 4974533
    Abstract: A coating apparatus for forming a curtain film of uniform thickness on a suitable substrate, particularly for production of recording/reproducing media such as photosensitive and magnetic media. Jets of an auxiliary liquid are provided in the vicinity of a lip portion of a liquid pouring device which pours the coating film on the substrate. The jets expel an auxiliary liquid which does not affect the characteristics of the coating film, but which does prevent thinning of the curtain film in the vicinity of edge guides of the apparatus. Depending on the height of the curtain film, more than one set of jets may be provided along the length of the curtain film.
    Type: Grant
    Filed: February 1, 1989
    Date of Patent: December 4, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Ishizuka, Toyomi Matuda
  • Patent number: 4863765
    Abstract: A method of simultaneously applying a plurality of liquid coating compositions to a moving web by the method of multi-layer coating; wherein the lowermost layer is comprised of water, with the wet coverage of water on the web being 2 cm.sup.3 or less per square meter (m.sup.2) of the web, and the layer immediately above the lowermost layer comprising a water-soluble coating solution having a viscosity greater than water and which is greater in thickness than the lowermost layer.
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: September 5, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Seiji Ishizuka