SF

Shigetaka Fujiwara

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HC Hitachi Koki Co.: 4 patents #273 of 888Top 35%
Overall (All Time): #588,136 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6412916 Ink jet printer Mamoru Okano, Atsushi Onose, Yoshinobu Fukano, Seiji Yonekura, Yoshiharu Nagae 2002-07-02
6328426 Printer device Lee Chahn, Hideki Shinohara, Shuji Imazeki, Seiji Yonekura, Yoshiharu Nagae 2001-12-11
6286938 Ink jet recording head and ink jet recording apparatus Mamoru Okano, Seiji Yonekura, Yoshinobu Fukano, Atsushi Onose 2001-09-11
5860049 Developing apparatus and picture image forming apparatus Takao Kumasaka, Tatsuo Igawa, Nobuyoshi Hoshi 1999-01-12
5430528 Magnetic brush with bristle height equal to developing gap Takao Kumasaka, Yuzuru Simazaki, Isamu Komatsu, Youji Hirose 1995-07-04
5023464 Fixing apparatus and recording apparatus Teruaki Mitsuya, Michio Endou, Akira Terakado 1991-06-11
4862828 Electrophotographic recording method and apparatus with non-contact development Takao Kumasaka, Teruaki Mitsuya, Isamu Komatsu, Yuzuru Shimazaki 1989-09-05
4821052 Flash fusing apparatus for reducing occurrence of spots on recording paper Teruaki Mitsuya, Takao Kumasaka, Shinichi Nishino, Masato Yamada 1989-04-11
4767931 Ion beam apparatus Tadashi Sato, Tomoe Kurosawa, Masaru Higaki 1988-08-30