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 26–50 of 106 patents

Patent #TitleCo-InventorsDate
7717541 Liquid container Eiichiro Shimizu, Hajime Yamamoto, Yukuo Yamaguchi 2010-05-18
7651207 Method for controlling light emitting portion for liquid container and printing apparatus Nobuyuki Hatasa, Kenji Kitabatake, Kimiyuki Hayasaki, Takayuki Ochiai 2010-01-26
7645027 Print head with thermomechanical actuator 2010-01-12
7607758 Ink jet printing head and ink jet printing apparatus using the same Nobuyuki Hatasa, Kimiyuki Hayasaki, Keiichiro Tsukuda, Takuya Hatsui 2009-10-27
7581807 Liquid container and ink jet printing apparatus Nobuyuki Hatasa, Kimiyuki Hayasaki, Takayuki Ochiai, Kenji Kitabatake 2009-09-01
7517070 Ink tank, recording head and package including the ink tank and the recording head Takatoshi Kitagawa, Nobuyuki Hatasa 2009-04-14
7448712 Signaling module, liquid container, recording apparatus, and control method Nobuyuki Hatasa, Kimiyuki Hayasaki, Tatsuhiko Yamazaki, Tetsuya Tateno 2008-11-11
7427128 Liquid container, liquid supply system and printing device using liquid container, and circuit board for liquid container Kimiyuki Hayasaki, Nobuyuki Hatasa, Tatsuhiko Yamazaki 2008-09-23
7354144 Liquid container, liquid supply system and recording apparatus using the liquid container, and circuit module for liquid container and substrate Nobuyuki Hatasa, Kimiyuki Hayasaki 2008-04-08
7278721 Liquid container Eiichiro Shimizu, Hajime Yamamoto, Yukuo Yamaguchi 2007-10-09
7237881 Liquid container, liquid supplying system, manufacturing method therefor, circuit board therefor and liquid containing cartridge Kimiyuki Hayasaki, Haruyuki Matsumoto, Nobuyuki Hatasa, Masanori Takenouchi 2007-07-03
7236442 Holographic recording/reproducing apparatus and reproducing apparatus for holographically recorded information Mikio Sugiki, Kazuo Takahashi, Shigeo Kobayashi, Tomiji Tanaka, Koji Ishioka 2007-06-26
7213914 Liquid container and manufacturing method therefor Hiromasa Anma, Haruyuki Matsumoto, Hajime Yamamoto, Yukuo Yamaguchi, Yasuo Kotaki +3 more 2007-05-08
7125109 Ink container and ink container holder Masanori Takenouchi, Yasuo Kotaki, Wataru Takahashi, Masashi Ogawa, Hiromasa Anma 2006-10-24
6934240 Optical element, optical head and signal reproducing method Hitoshi Tamada 2005-08-23
6762978 Optical head slider, method for manufacturing optical head slider, and recording and/or reproducing apparatus Akio Mishima 2004-07-13
6648451 Ink jet recording apparatus and ink jet recording head Kiyomi Aono, Akio Saito 2003-11-18
6631978 Ink tank holding member and ink jet cartridge provided with such holding member Osamu Morita 2003-10-14
6598952 Liquid jet recording head having controller for controlling temperature distribution Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Tsutomu Abe +5 more 2003-07-29
6505907 Recording apparatus having abnormality determination based on temperature and average ejection duty cycle Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Tsutomu Abe +5 more 2003-01-14
6471321 Ink jet recording apparatus and ink jet recording head Kiyomi Aono, Akio Saito 2002-10-29
6406135 Ink jet recording head and recording apparatus using the same Akio Saito, Taiji Yoshinari, Yohei Sato 2002-06-18
6328427 Method of producing a wiring substrate Koji Yamakawa 2001-12-11
6328422 Ink jet head cartridge having a folded wiring member Kouji Yamakawa 2001-12-11
6320841 Slider for optical head Shigeo Kubota, Hideo Owa 2001-11-20