Patents by Inventor Tadayoshi Inamoto

Tadayoshi Inamoto 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: 20010026299
    Abstract: An ink-jet printing apparatus, a cap and an ejection recovery method can satisfactorily perform recovery process for respective of ejection openings having different ink flow resistance and permit down-sizing. The ink-jet printing apparatus includes a printing head having a plurality of ejection openings and covering cap on the ejection opening face where a plurality of ejection openings of the printing head, and recovery means sucking ink in the ejection openings covered by the cap. The ink-jet printing apparatus also includes a sealing member for sealing predetermined ejection openings as a part of a plurality of ejection openings provided within the cap.
    Type: Application
    Filed: March 27, 2001
    Publication date: October 4, 2001
    Inventors: Akira Tsujimoto, Junji Shimoda, Tadayoshi Inamoto, Isao Kimura, Aya Yoshihira, Kiyomitsu Kudo, Tooru Suzuki
  • Publication number: 20010022605
    Abstract: An ink media pack integrally formed with an ink receptacle portion receiving ink and a printing medium receptacle portion receiving a printing medium to be used in an ink-jet printing system is disclosed. In the pack, an optimal combination of ink and a printing medium to obtain a high quality image is housed. In an embodiment the printing medium is cloth and the ink contains dye which can dye the cloth. In another embodiment, the ink has a coloring agent content in a range of 2.0 Wt % to 15.0 Wt % and the printing medium has a bleeding ratio in a range of 2.0 times to 4.0 times.
    Type: Application
    Filed: February 2, 2001
    Publication date: September 20, 2001
    Inventors: Mariko Suzuki, Tadayoshi Inamoto, Yoshiaki Kaburagi, Hiroyuki Saito, Ako Takemura, Akira Kuribayashi, Hiroshi Yoshino
  • Publication number: 20010020970
    Abstract: The present invention facilitates a supply of ink with a structural components at relatively low costs. It is performed by shifting a printing head having ink ejecting portion and sub tank portion into a state of reduced pressure. That is, draining ink from the sub tank portion to the outside and supplying ink from an ink storage container to the sub ink portion are performed by a reduced pressure in the printing head. Also, a carriage on which the printing head can be mounted shifts its position, and a plurality of ink receiving portions communicated with a plurality of their relative sub ink tank and a plurality of ink supplying portions communicated with a plurality of their relative main ink tanks are arranged in a predetermined manner. That is, the plurality of sub ink tanks and a plurality of main ink tanks are communicated together on a pair basis.
    Type: Application
    Filed: February 1, 2001
    Publication date: September 13, 2001
    Inventors: Akira Kuribayashi, Tadayoshi Inamoto, Yoshiaki Kaburagi, Hiroyuki Saito, Ako Takemura, Hiroshi Yoshino, jMariko Suzuki
  • Patent number: 6270199
    Abstract: A liquid ejecting head capable of ejecting liquids in different conditions includes an ejection outlet for ejecting a liquid; a liquid flow path for supplying the liquid to the ejection outlet, the liquid flow path having bubble generation heat elements used to eject the liquid and capable of selectively generating bubbles having different sizes; and a movable mechanism having at least one movable member arranged to face a bubble generation region formed in the liquid flow path by the bubble generation heat elements. The movable member has a free end on a downstream side with respect to a direction of the ejection outlet and a supporting member on an upstream side. The movable member is displaced in a direction to separate from the bubble generation region in accordance with a bubble generated by the bubble generation heat elements.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: August 7, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makiko Kimura, Hiroshi Sugitani, Tadayoshi Inamoto, Yoshie Nakata
  • Patent number: 6250555
    Abstract: Disclosed herein is a card with a built-in electronic part, in which an ink-receiving layer is provided on at least one side of the card, and an electronic part is mounted in a recess formed in the surface of the card, wherein the ink-receiving layer contains an inorganic filler.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: June 26, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tadayoshi Inamoto
  • Patent number: 6074543
    Abstract: A method to produce a liquid ejecting head having an ejection outlet for ejecting a liquid, a heat generating element for applying thermal energy to the liquid, a liquid flow path comprised of a first path portion in fluid communication with the ejection outlet and a second path portion disposed below the first path portion and provided with the heat generating element in a bottom surface thereof, a partition wall for partitioning the liquid flow path into the first path portion and second path portion, and a movable member disposed above the heat generating element in the portion wall and arranged as displaceable to a side of the first path portion in accordance with a bubble generated in the liquid by the thermal energy in which upon generation of the bubble the first path portion and the second path portion are in fluid communication with each other and the pressure is directed toward said ejection outlet by the movable member displaced to eject the liquid droplet.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: June 13, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Aya Yoshihira, Hiroshi Sugitani, Tadayoshi Inamoto, Makiko Kimura, Toshio Kashino, Shuji Koyama, Takeshi Okazaki, Kiyomitsu Kudo, Yoshie Nakata, Toshihiro Mori
  • Patent number: 6040002
    Abstract: An etching resist composition containing at least a polymeric compound having an acid value of not less than 35, a base, and water, and having a viscosity of 10 centipoises or below.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: March 21, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromichi Noguchi, Hiroshi Sugitani, Yutaka Koizumi, Tadayoshi Inamoto, Kiyomi Aono, Yoshie Nakata
  • Patent number: 6000793
    Abstract: Disclosed herein is a process for forming an image on a base material, which comprises the steps of (1) ejecting a liquid ink containing a disperse dye as droplets according to predetermined information to form an image on an ink-absorbent sheet, thereby obtaining an image-printing sheet; (2) bringing the image-printing sheet into close contact with a base material having a dye-receiving layer capable of receiving the disperse dye on its surface and high heat resistance of at least 150.degree. C.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: December 14, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tadayoshi Inamoto
  • Patent number: 5993527
    Abstract: Provided is an ink-jet color recording process to form color images on a recording medium by an ink-jet system applying a plurality of colored pigment-based inks, wherein each of the colored pigment inks comprises a pigment dispersant, and a pigment dispersant contained in at least one of colored pigment-based inks is different from a pigment dispersant contained in the remaining colored pigment-based inks.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: November 30, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Tochihara, Masami Ikeda, Tadayoshi Inamoto, Kiyomi Aono, Hiromichi Noguchi
  • Patent number: 5989650
    Abstract: A recording medium is composed of a substrate and an ink receiving layer provided on at least one side of the substrate, wherein the ink receiving layer is composed of a composition or a cured product thereof containing at least (A) a polyvinyl acetal resin having acetal groups, acetyl groups and hydroxyl groups, (B) a monomer having an active energy ray curable ethylenic unsaturated group, and (C) a cationic resin, at a ratio (B)/(A) within the range of 1/100 to 5/1, and a ratio (C)/((A)+(B)) of 0.5/100 to 30/100.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: November 23, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadayoshi Inamoto, Shinichi Tochihara
  • Patent number: 5838347
    Abstract: A method for surface treatment of an ink jet recording head, having the step of transferring a surface treating agent provided on a support to the ink discharging opening surface having ink discharging openings of an ink jet recording head formed thereon from said support.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: November 17, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadayoshi Inamoto, Haruo Uehara, Hiromichi Noguchi, Akihiko Shimomura, Eiko Moriyama
  • Patent number: 5808644
    Abstract: A method for manufacturing an ink jet recording head which includes a plurality of ejection outlets for ejecting ink; discrete ink passages communicating with respective ejection outlets; a common liquid passage communicating with the discrete ink passages for supplying ink thereto; a liquid chamber for supplying the ink to the common ink passages; and a filter. The filter includes plural projections between the common liquid passage and the liquid chamber, for preventing foreign matter from entering the discrete liquid passages. Adjacent projections define a liquid passing area having a size smaller than that of the ejection outlets.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: September 15, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Isao Imamura, Tadayoshi Inamoto
  • Patent number: 5808641
    Abstract: A manufacturing method of a liquid jet head comprises the discharge ports for discharging the ink, the liquid channels in communication to the discharge ports, and energy generating means for generating the energy for use in discharging the ink. The method includes the steps of preparing a substrate having the energy generating means, preparing a resin ceiling plate fabricated by molding and having the grooves which constitute part of the liquid channels, positioning and contacting the ceiling plate on and with the substrate so that the grooves may be located above the energy generating means, and forming the liquid channels constituted of the grooves and the substrate by directing a laser beam from outside the ceiling plate in the state where the ceiling plate and the substrate are joined, to weld together the ceiling plate and the substrate.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: September 15, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Miyagawa, Tadayoshi Inamoto, Shin Ishimatsu
  • Patent number: 5738916
    Abstract: An ultraviolet-curing composition comprising an ultraviolet-curing compound having at least one carboxyl group and at least one ultraviolet-curing unsaturated bond in its molecule, a base, water, and a polymerization initiator, and having a viscosity of 10 centipoises or below.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: April 14, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromichi Noguchi, Hiroshi Sugitani, Yutaka Koizumi, Tadayoshi Inamoto, Kiyomi Aono, Yoshie Nakata
  • Patent number: 5718793
    Abstract: Disclosed herein is an image forming process, comprising the steps of:ejecting droplets of a liquid ink containing a disperse dye according to predetermined information to form an image on an ink-absorbent printing sheet;bringing the printing sheet into close contact under heat with an ink-nonabsorbent base material having a receiving layer for receiving the disperse dye to diffuse the disperse dye into the receiving layer; andseparating the printing sheet from the base material,wherein the receiving layer comprises a resin having a pencil hardness of H or harder as determined by the pencil hardness test in accordance with JIS K 5400.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: February 17, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadayoshi Inamoto, Tokuya Ohta, Shoji Koike
  • Patent number: 5703630
    Abstract: An ink jet recording head manufacturing method for manufacturing ink jet recording head having an ink passage, wherein a droplet of ink is ejected through the passage from an ink ejection outlet at an end of a passage onto a recording material. Ions are injected into a surface having the ink ejection outlet to change a surface property of the surface.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: December 30, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiichi Murakami, Tadayoshi Inamoto, Hirokazu Komuro, Hideaki Mashio, Toshio Suzuki
  • Patent number: 5696177
    Abstract: An active energy ray-curable resin composition comprises:(i) a linear polymer having a glass transition temperature at least equal to 50.degree. C. and a weight-average molecular weight of at least about 3.0.times.10.sup.4 ; and(ii) a resin obtained by esterifying, with an unsaturated carboxylic acid, a part of epoxy groups present in an epoxy resin comprising at least one compound having at least two epoxy groups in a molecule.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: December 9, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromichi Noguchi, Tadayoshi Inamoto, Megumi Munakata
  • Patent number: 5649359
    Abstract: An ink jet recording head manufacturing method for manufacturing ink jet recording head having an ink passage, wherein a droplet of ink is ejected through the passage from an ink ejection outlet at an end of a passage onto a recording material. Ions are injected into a surface having the ink ejection outlet to change a surface property of the surface.
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: July 22, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiichi Murakami, Tadayoshi Inamoto, Hirokazu Komuro, Hideaki Mashio, Toshio Suzuki
  • Patent number: 5585221
    Abstract: An active energy ray-curing resin composition comprises a graft copolymerized polymer and at least one of a monomer having an ethylenically unsaturated bond and a partially esterified epoxy resin.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: December 17, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromichi Noguchi, Tadayoshi Inamoto, Megumi Munakata
  • Patent number: 5578418
    Abstract: A process is disclosed for producing a liquid jet recording head comprising applying an active energy-curing resin composition onto at least a part of a surface of a first member for forming a wall of the liquid path; exposing the applied active energy-ray-curing resin to an active energy ray selected from the group consisting of an ultraviolet-ray having an intensity of 1 mW/cm.sup.2 to 100 mW/cm.sup.2 and an electron beam having an intensity of 0.5M Rad to 20M Rad; and providing a second member on the exposed active energy-ray-curing resin composition.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: November 26, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromichi Noguchi, Tadayoshi Inamoto, Megumi Saito