NK

Nobuo Kosaka

Canon: 7 patents #7,830 of 19,416Top 45%
KC Kyowa Hakko Kogyo Co.: 6 patents #161 of 943Top 20%
Overall (All Time): #347,762 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10209637 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Tsutomu Nishida, Akira Sakakibara, Daisuke Miura, Yota Ito, Shoma Hinata +1 more 2019-02-19
9740117 Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound Koichi Nakata, Shinji Takagi 2017-08-22
9389523 Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member Koichi Nakata, Shinji Takagi, Koichi Suzuki 2016-07-12
9316931 Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and condensed polycyclic aromatic compound Shinji Takagi, Koichi Nakata 2016-04-19
7838190 Electrophotographic photosensitive member with surface layer of fluororesin particles and polyolefin with perfluoroalkyl group Harunobu Ogaki, Nobumichi Miki, Kazunori Noguchi 2010-11-23
7553594 Electrophotographic photosensitive member, method of manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Harunobu Ogaki, Nobumichi Miki, Kazunori Noguchi 2009-06-30
7364824 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Toshihiro Kikuchi, Atsushi Ochi, Harumi Sako, Kimihiro Yoshimura, Hideaki Tamai 2008-04-29
6306847 Condensed purine derivatives Hiroshi Tsumuki, Mayumi Saki, Hiromi Nonaka, Michio Ichimura, Junichi Shimada +2 more 2001-10-23
5977298 Calcitonin derivatives Kenji Shibata, Motoo Yamasaki, Masako Hamada, Tatsuya Tamaoki, Soichiro Sato 1999-11-02
5891902 Indole derivatives Daisuke Machii, Haruki Takai, Hisakatsu Seo, Tomomi Sugiyama, Joji Nakamura +5 more 1999-04-06
5756735 Xanthine derivatives Fumio Suzuki, Akio Ishii, Hiromi Nonaka, Shunji Ichikawa, Junichi Shimada 1998-05-26
5523464 Benzenesulfonamide derivatives Iwao Kinoshita, Haruki Takai, Katsura Sugawara, Akio Ishii, Hiroyuki Ishida +1 more 1996-06-04
5413997 Triphenylmethane derivatives Iwao Kinoshita, Daisuke Machii, Yasuo Onoda, Haruki Takai, Katsuichi Shuto +3 more 1995-05-09
5374634 Pyridine derivatives Iwao Kinoshita, Yasuo Onoda, Haruki Takai, Akio Ishii, Joji Nakamura +2 more 1994-12-20