SO

Sadanao Okuda

RK Riso Kagaku: 29 patents #2 of 551Top 1%
Overall (All Time): #132,879 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
6758888 Emulsion ink for stencil printing Hiroyuki Ogawa, Hiromichi Yamada 2004-07-06
6199479 Method and apparatus for stencil printing Takashi Isozaki, Hiroyasu Kato, Kenji Suzuki 2001-03-13
6190444 Emulsion ink for stencil printing Hiromichi Yamada 2001-02-20
6011083 Emulsion ink for stencil printing Masato Ishikawa, Takashi Suzuki, Takahiro Wakayama, Yoshihiro Hayashi 2000-01-04
5948151 Emulsion ink for stencil printing Ryuta Ono 1999-09-07
5904759 Process and apparatus for preparing emulsion ink for stencil printing Masato Ishikawa, Takashi Suzuki, Yoshihiro Hayashi 1999-05-18
5880214 Emulsion inks for stencil printing 1999-03-09
5879792 Stencil printing sheet and process for stencil making the same Hideo Watanabe 1999-03-09
5845570 Print image treatment device Takashi Isozaki, Ryuji Higa, Takahito Tojima 1998-12-08
5813341 Print image treatment device Takahito Tojima, Ryuji Higa, Takashi Isozaki 1998-09-29
5809880 Stencil printing sheet with thermal fusion preventing layer Satoru Komata, Hirohide Hashimoto 1998-09-22
5779777 Emulsion ink for stencil printing Teruaki Ohkawa 1998-07-14
5776232 Emulsion ink for stencil printing Masato Ishikawa, Takashi Suzuki, Yoshihiro Hayashi 1998-07-07
5759245 Emulsion ink for stencil printing Masato Ishikawa, Takashi Suzuki, Yoshihiro Hayashi 1998-06-02
5738715 Emulsion ink for stencil printing Yoshihiro Hayashi 1998-04-14
5724888 Printed image after-processing apparatus Takahito Tojima, Takashi Isozaki 1998-03-10
5718748 Emulsion ink for stencil printing Takashi Suzuki, Masato Ishikawa, Yoshihiro Hayashi 1998-02-17
5694840 Printing image after-processing apparatus Takashi Isozaki, Takahito Tojima 1997-12-09
5671675 Print image treatment device Takashi Isozaki, Ryuji Higa, Takahito Tojima 1997-09-30
5671669 Stencil conveying means adapted to convey a stencil sheet parallel to the axis of a printing drum Makoto Ishikawa, Takao Kawabe, Masakazu Kawano 1997-09-30
5667570 Emulsion ink for stencil printing Yoshihiro Hayashi 1997-09-16
5642672 Print image treatment device Takashi Isozaki, Takahito Tojima, Ryuji Higa 1997-07-01
5637137 Emulsion ink for stencil printing Yoshihiro Hayashi 1997-06-10
5634404 Stencil printing machine 1997-06-03
5609670 Emulsion ink for stencil printing Hideo Watanabe 1997-03-11