KW

Kenjiro Watanabe

Canon: 92 patents #139 of 19,416Top 1%
SO Sony: 13 patents #3,381 of 25,231Top 15%
📍 Kawachi, JP: #1 of 19 inventorsTop 6%
Overall (All Time): #12,991 of 4,157,543Top 1%
106
Patents All Time

Issued Patents All Time

Showing 51–75 of 106 patents

Patent #TitleCo-InventorsDate
6286926 Ink jet recording apparatus and method Hiromitsu Hirabayashi, Koji Terasawa, Makoto Takemura, Shigeyasu Nagoshi, Hideo Fukazawa +4 more 2001-09-11
6256154 Catadioptric lens, optical head and optical recording and/or reproducing apparatus Shigeo Kubota 2001-07-03
6234599 Substrate having a built-in temperature detecting element, and ink jet apparatus having the same Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Tsutomu Abe +5 more 2001-05-22
6203149 Ink jet cartridge, ink jet apparatus and ink container Hidemi Kubota 2001-03-20
6170939 Liquid storing container for recording apparatus Toshihiko Ujita, Koji Yamakawa, Masanori Takenouchi, Sadayuki Sugama, Torachika Osada +6 more 2001-01-09
6149264 Ink jet recording apparatus Hiromitsu Hirabayashi, Koji Terasawa, Makoto Takemura, Shigeyasu Nagoshi, Hideo Fukazawa +6 more 2000-11-21
6144517 Magnetic disk device and method of manufacturing same Toru Takeda, Satoru Seko, Kazushige Kawazoe, Takayasu Muto, Osamu Morita +4 more 2000-11-07
6007174 Ink jet recording apparatus and method Hiromitsu Hirabayashi, Koji Terasawa, Makoto Takemura, Shigeyasu Nagoshi, Hideo Fukazawa +6 more 1999-12-28
5940102 Ink jet cartridge, ink jet apparatus and ink container Hidemi Kubota 1999-08-17
5907448 Magnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signals Toru Takeda, Satoru Seko, Kazushige Kawazoe, Takayasu Muto, Osamu Morita +4 more 1999-05-25
5781213 Liquid storing container having filter interface for recording apparatus Toshihiko Ujita, Koji Yamakawa, Masanori Takenouchi, Sadayuki Sugama, Torachika Osada +6 more 1998-07-14
5652608 Ink jet recording head, ink jet recording head cartridge, recording apparatus using the same and method of manufacturing the head Koji Yamakawa 1997-07-29
5608437 Ink container and ink jet recording apparatus using same Kazuo Iwata, Masanori Takenouchi, Toshihiko Ujita, Torachika Osada, Kazuhiro Nakajima +5 more 1997-03-04
5589862 Liquid storing container for recording apparatus Toshihiko Ujita, Koji Yamakawa, Masanori Takenouchi, Sadayuki Sugama, Torachika Osada +6 more 1996-12-31
5583549 Liquid storing container for recording apparatus Toshihiko Ujita, Koji Yamakawa, Masanori Takenouchi, Sadayuki Sugama, Torachika Osada +6 more 1996-12-10
5568168 Recording method with scanning boundary streak reduction 1996-10-22
5548308 Liquid discharge recording apparatus having apparatus for effecting preparatory emission Akira Nagatomo, Yoshifumi Hattori, Isao Ebisawa, Tsutomu Abe, Takashi Ohba +1 more 1996-08-20
5502469 Ink jet recording apparatus with detection of rate of temperature 1996-03-26
5500662 Ink jet recording method for recording in plural scans 1996-03-19
5500658 Ink jet recording apparatus having a heating member and means for reducing moisture near an ink discharge port of a recording head Yoshifumi Hattori, Genji Inada 1996-03-19
5477246 Ink jet recording apparatus and method Hiromitsu Hirabayashi, Koji Terasawa, Makoto Takemura, Shigeyasu Nagoshi, Hideo Fukazawa +4 more 1995-12-19
D356332 Ink cartridge for printer Hidemi Kubota, Toshihiko Ujita, Torachika Osada, Kayomi Sato 1995-03-14
D355929 Ink cartridge for printer Hidemi Kubota, Toshihiko Ujita, Torachika Osada, Kayomi Sato 1995-02-28
D355210 Ink cartridge for printer Hidemi Kubota, Toshihiko Ujita, Torachika Osada, Kayomi Sato 1995-02-07
D355211 Printing head for printer Hidemi Kubota, Toshihiko Ujita, Torachika Osada, Kayomi Sato 1995-02-07