Patents by Inventor Atsushi Nishioka

Atsushi Nishioka 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).

  • Ink jet head connection unit, an ink jet cartridge, and an assembly method thereof
    Patent number: 5874971
    Abstract: To provide a highly reliable and easy-to-manufacture ink jet head connection unit, in which ink supply paths are formed by gluing a substrate on which head component is formed to other components, that is free of ink ejection failure and ink leakage. A head component and case component 240 equipped with opening 241 on the bottom of which supply port 257 for supplying ink to head component 210 and concave area 243 to be filled with an adhesive are formed, are provided. Space 248 to be filled with an adhesive for joining head component 210 and case component 240 when case component 240 and head component 210 are coupled, is formed inside the joined case.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: February 23, 1999
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Nishioka, Yukihiro Hanaoka, Kazuhiko Sato, Tsutomu Yamazaki
  • Printing head for printer
    Patent number: D377047
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: December 31, 1996
    Assignee: Seiko Epson Corporation
    Inventors: Shoichi Ishizawa, Atsushi Nishioka