TK

Tatsundo Kawai

Canon: 46 patents #855 of 19,416Top 5%
TC The Cannon Company: 1 patents #3 of 90Top 4%
Overall (All Time): #60,928 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 25 most recent of 47 patents

Patent #TitleCo-InventorsDate
9990890 Display device and control method therefor Hironobu Hoshino 2018-06-05
8564191 Light emitting substrate having photonic crystal structure and image display apparatus including the same Tomoyuki Ikegami, Tomoyuki Tamura 2013-10-22
8330346 Image display device Yuuji Kasanuki 2012-12-11
7982213 Phenanthroline compound and organic light emitting device using same Maki Okajima, Takao Takiguchi, Koichi Suzuki, Akihiro Senoo, Toshinori Hasegawa +1 more 2011-07-19
7593139 Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi, Toshimitsu Iso 2009-09-22
7550594 Phenanthroline compound and organic light emitting device using same Maki Okajima, Takao Takiguchi, Koichi Suzuki, Akihiro Senoo, Toshinori Hasegawa +1 more 2009-06-23
7338721 Condensed polycyclic compound and organic light-emitting device using the same Koichi Suzuki, Akihiro Senoo, Naoki Yamada, Akihito Saitoh, Maki Okajima 2008-03-04
7057778 Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi, Toshimitsu Iso 2006-06-06
7034454 Organic light emitting device with reverse intersystem crossing light emitting molecules Koichi Suzuki, Hiroshi Tanabe, Keiji Okinaka, Naoki Yamada, Chika Negishi +2 more 2006-04-25
6664731 Charge injection type light emitting device Yuichi Hashimoto, Kazunori Ueno 2003-12-16
6661497 Illumination apparatus using light guide Masami Tabata 2003-12-09
6636001 Organic electronic device and nonlinear device Akihiro Senoo, Kazunori Ueno 2003-10-21
6566806 Luminescence device, and image-reading apparatus, data-processing apparatus and display apparatus including the device 2003-05-20
6556317 Image reading apparatus and image reading system Masami Tabata 2003-04-29
6512600 Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi 2003-01-28
6473154 Illumination apparatus using light guide Masami Tabata 2002-10-29
6462841 Image sensor, and image processing apparatus using the same Masami Tabata 2002-10-08
6426807 Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi, Toshimitsu Iso 2002-07-30
6375335 Illumination device and information processing apparatus Masami Tabata 2002-04-23
6360030 Illumination device and image reading apparatus using the same Masami Tabata 2002-03-19
6350996 Light emitting diode device Kazunori Ueno 2002-02-26
6333779 Illumination apparatus using light guide Masami Tabata 2001-12-25
6295141 Image reading apparatus Makoto Ogura, Kenji Nagata, Oji Saito, Satoshi Itabashi, Masami Tabata 2001-09-25
6239421 Rod lens array and image read apparatus and system using the same Kenji Nagata, Masami Tabata 2001-05-29
6181442 Close-contact type image sensor and image reading apparatus using the same Makoto Ogura 2001-01-30