Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9141008 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound | Kunihiko Sekido, Nobuhiro Nakamura, Atsushi Okuda, Yota Ito | 2015-09-22 |
| 9069267 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kenichi Kaku, Kunihiko Sekido, Atsushi Okuda, Nobuhiro Nakamura, Yota Ito +2 more | 2015-06-30 |
| 9063505 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Atsushi Okuda, Hiroyuki Tomono, Nobuhiro Nakamura, Yota Ito +2 more | 2015-06-23 |
| 9029054 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Atsushi Okuda, Kunihiko Sekido, Kenichi Kaku, Nobuhiro Nakamura, Yota Ito +2 more | 2015-05-12 |
| 9012112 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hiroyuki Tomono, Kunihiko Sekido, Atsushi Okuda, Yuka Ishiduka, Nobuhiro Nakamura +1 more | 2015-04-21 |
| 8993205 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Nobuhiro Nakamura, Atsushi Okuda, Kunihiko Sekido, Yota Ito, Kenichi Kaku +2 more | 2015-03-31 |
| 8993204 | Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus | Masaki Nonaka, Masato Tanaka, Masataka Kawahara, Akira Yoshida | 2015-03-31 |
| 8940465 | Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound | Kunihiko Sekido, Hiroyuki Tomono, Atsushi Okuda, Yuka Ishiduka, Nobuhiro Nakamura +1 more | 2015-01-27 |
| 8927184 | Method of producing electrophotographic photosensitive member | Kunihiko Sekido, Akihiro Maruyama | 2015-01-06 |
| 8795936 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Akihiro Maruyama, Shinji Takagi, Hideaki Nagasaka | 2014-08-05 |
| 8632931 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Shinji Takagi | 2014-01-21 |
| 8546050 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Akihiro Maruyama, Kunihiko Sekido, Hideaki Nagasaka, Shinji Takagi | 2013-10-01 |
| 8524430 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shinji Takagi, Hideaki Nagasaka, Kunihiko Sekido | 2013-09-03 |
| 8524431 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Shinji Takagi, Akihiro Maruyama | 2013-09-03 |
| 8470504 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Shinji Takagi, Akihiro Maruyama | 2013-06-25 |
| 8465889 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Shinji Takagi, Akihiro Maruyama | 2013-06-18 |
| 8343699 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Shinji Takagi | 2013-01-01 |
| 7745083 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Nobumichi Miki, Yosuke Morikawa | 2010-06-29 |
| 7727691 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobumichi Miki, Hideaki Nagasaka, Kunihiko Sekido, Yosuke Morikawa | 2010-06-01 |
| 7592113 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Nobumichi Miki, Yosuke Morikawa | 2009-09-22 |
| 7534537 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobumichi Miki, Hideaki Nagasaka, Kunihiko Sekido, Yosuke Morikawa | 2009-05-19 |
| 7396622 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Nobumichi Miki, Yosuke Morikawa | 2008-07-08 |
| 7378205 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hiroki Uematsu, Shuji Ishii | 2008-05-27 |
| 7141341 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Nobumichi Miki, Yosuke Morikawa | 2006-11-28 |
| 7129012 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Nobumichi Miki, Yosuke Morikawa | 2006-10-31 |