Patents by Inventor Masaya Uetsuki

Masaya Uetsuki 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).

  • Replaceable ink cartridge
    Patent number: 5742311
    Abstract: A replaceable ink cartridge, usable with a bubble jet printer, includes a container having front, back, top bottom and side walls, the container being divided internally into a first chamber and a second chamber having a common partition extending downward perpendicularly toward the bottom wall to provide an opening between the chambers formed by the partition proximate to the bottom wall. The first chamber contains a reservoir of liquid ink and is generally sealed from ambient air except through the opening, and the second chamber has an air vent for admitting ambient air into the second chamber and an ink supply outlet in the front wall.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: April 21, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi, Tsutomu Abe, Hiroshi Sato, Shigeyasu Nagoshi, Eiichiro Shimizu, Masahiko Higuma, Yuji Akiyama, Hitoshi Sugimoto, Miyuki Matsubara, Shinichi Sato, Fumihiro Gotoh, Masaya Uetsuki
  • Recording means for enhancing removal of ink deposited on an ejection side surface thereof, ink jet recording apparatus having said recording means, and recovery method
    Patent number: 5670997
    Abstract: An ink jet recording apparatus includes a carriage for carrying a recording head for effecting recording by ejection of ink on a recording material; a cap for capping an ejection outlet of the recording head formed in an ejection side surface; sucking pump for sucking the ink out through the ejection outlet while the cap is closely contacted to the ejection side surface; a clearance forming mechanism for forming a clearance at a part of close-contact portion between the ejection side surface and the cap by relative motion between the cap and the carriage.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: September 23, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hitoshi Sugimoto, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Miyuki Matsubara, Fumihiro Gotoh, Masaya Uetsuki
  • Ink jet cartridge with separately exchangeable ink tank and recording head
    Patent number: 5671000
    Abstract: An ink jet cartridge, removably mountable on an ink jet recording apparatus, includes a recording head and an ink tank containing recording liquid. The head and cartridge are removably connected through an engaging member provided on the ink tank and an engaged member provided on the recording head. When the ink tank and the recording head are not combined, a protecting cover provided on the recording head can protect sensitive components of the recording head, while partially overlapping the side of the link tank and being integrated therewith when the recording head and ink tank are combined.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: September 23, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Hitoshi Sugimoto, Miyuki Fujita, Fumihiro Gotoh, Masaya Uetsuki
  • Flexible copper-applied substrates
    Patent number: 5192619
    Abstract: A flexible copper-applied substrate comprises a copper foil and a resin layer comprising a composite material of a polyimide and a polyimide silicone, the resin layer being directly formed on the surface of the copper foil, said substrate being producible by applying a polyamide acid composite composed of a mixed solution of a polyamide acid and a polyamide acid alkylsilane to a copper foil and heating.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: March 9, 1993
    Assignee: Chisso Corporation
    Inventors: Shiro Konotsune, Kazutsune Kikuta, Masaya Uetsuki, Hiroaki Hase