YK

Yasuo Kotaki

Canon: 195 patents #10 of 19,416Top 1%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,406 of 4,157,543Top 1%
199
Patents All Time

Issued Patents All Time

Showing 126–150 of 199 patents

Patent #TitleCo-InventorsDate
6613131 Gas-liquid separation membrane and production method thereof Toshihiko Ujita, Junji Shimoda, Akira Tsujimoto, Kiyomitsu Kudo 2003-09-02
6550898 Liquid supply system, liquid supply container, capillary force generating member container, ink jet cartridge and ink jet recording apparatus Hiroki Hayashi, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hiroshi Koshikawa +1 more 2003-04-22
6543876 Ejection recovery system and ejection recovery method 2003-04-08
D466926 Combined ink tank holder and printing head for printer Kazuhiko Miyahara, Wataru Takahashi, Kenji Kitabatake, Hiroki Hayashi 2002-12-10
6457817 Ink jet head, ink jet cartridge, ink jet apparatus, and method of manufacturing the same ink jet head 2002-10-01
6419350 Ink tank, recording head cartridge and ink jet recording apparatus Tsutomu Abe, Masashi Ogawa 2002-07-16
6421623 Method for inspecting the liquid discharge condition of liquid jet head, and apparatus for inspecting liquid discharge condition Masao Furukawa 2002-07-16
6394574 Ink jet print head having press member Akio Saito, Wataru Takahashi 2002-05-28
6390612 Method for filling ink holding member with ink, ink filling apparatus, and ink tank to be filled with ink by ink filling method Tsutomu Abe, Nobuyuki Hatasa, Masashi Ogawa 2002-05-21
6371594 Ink jet recording head, an ink jet cartridge, and an ink jet recording apparatus Wataru Takahashi, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Teruo Arashima +1 more 2002-04-16
6361158 Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printer Hiroyuki Inoue, Sadayuki Sugama, Soichi Hiramatsu, Hideki Yamaguchi, Toshihiko Ujita +7 more 2002-03-26
6338546 Ink jet head cartridge and ink jet apparatus having same Kouji Yamakawa, Keiichiro Tsukuda 2002-01-15
6336709 Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer Hiroyuki Inoue, Sadayuki Sugama, Soichi Hiramatsu, Hideki Yamaguchi, Toshihiko Ujita +7 more 2002-01-08
6293652 Method for coupling liquid jet head units, a liquid jet head unit, and a liquid jet head cartridge Teruo Arashima, Kazuaki Masuda, Junji Shimoda, Hajime Yamamoto, Minoru Nozawa +4 more 2001-09-25
6243116 Ink container, installing-removing method therefore and apparatus usable with the same Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato, Toshihiko Ujita +4 more 2001-06-05
D441786 Ink tank for printer Masashi Ogawa, Tsutomu Abe 2001-05-08
D441396 Ink tank for printer Masashi Ogawa, Tsutomu Abe, Hitomi Ito 2001-05-01
6220697 Ink jet recording head and ink jet recording apparatus having such head Akihiro Yamanaka, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Teruo Arashima +2 more 2001-04-24
D441013 Ink tank for ink jet printer Masashi Ogawa, Shigeyuki Nakayama, Tsutomu Abe 2001-04-24
D440599 Ink tank for printer Masashi Ogawa, Tsutomu Abe, Hitomi Ito 2001-04-17
D436990 Ink tank for ink jet printer Masashi Ogawa, Shigeyuki Nakayama, Tsutomu Abe 2001-01-30
D436618 Ink tank for printer Masashi Ogawa, Tsutomu Abe, Hitomi Ito 2001-01-23
D436619 Ink tank for ink jet printer Masashi Ogawa, Shigeyuki Nakayama, Tsutomu Abe 2001-01-23
D436125 Ink tank for printer Masashi Ogawa, Tsutomu Abe 2001-01-09
6170939 Liquid storing container for recording apparatus Toshihiko Ujita, Koji Yamakawa, Masanori Takenouchi, Sadayuki Sugama, Kenjiro Watanabe +6 more 2001-01-09