AO

Akio Okubo

Canon: 26 patents #2,250 of 19,416Top 15%
KC Kyoto Daiichi Kagaku Co.: 6 patents #11 of 118Top 10%
AR Arkray: 2 patents #127 of 354Top 40%
PK Pentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
Overall (All Time): #98,940 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5780752 Liquid holding device Takao Fukuoka 1998-07-14
5721581 Recording apparatus Atsushi Saito, Makoto Kobayashi, Junji Iguchi, Keizo Sasai, Yasuyuki Shinada +6 more 1998-02-24
5689290 Liquid level detecting mechanism and ink jet recording apparatus having the mechanism Atsushi Saito, Yasuhiko Ikeda 1997-11-18
5548309 Apparatus and method for wiping an ink jet recording head with control of relative speed between wiper and head Atsushi Saito, Fumihiko Watanabe 1996-08-20
5508722 Ink jet apparatus and method for detecting ink nondischarge based on ink temperature Atsushi Saito, Keizo Sasai, Yasuhiko Ikeda, Shigeyuki Sugiyama, Mitsuo Morita 1996-04-16
5481290 Recording apparatus Fumihiko Watanabe, Atsushi Saito, Yasuyuki Shinada 1996-01-02
5481283 Recovery system and ink jet recording apparatus provided with said recovery system Fumihiko Watanabe, Atsushi Saito, Yasuyuki Shinada 1996-01-02
5412407 Heat transfer recording apparatus with common drive source for driving plural elements Toshiyuki Hayashi, Masahiro Funakoshi 1995-05-02
5166707 Ink jet recording apparatus having easy-access recording medium conveyance route Fumihiko Watanabe, Atsushi Saito, Yasuyuki Shinada 1992-11-24
4364684 Writing instrument Tadashi Kohno, Takahiko Shimizu, Kenji Takahashi, Hishao Fukui, Noriaki Masuda 1982-12-21