Issued Patents 2020
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10838315 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideharu Shimozawa, Tsutomu Nishida, Atsushi Okuda, Nobuhiro Nakamura, Hiroyuki Watanabe | 2020-11-17 |
| 10831118 | Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member | Hiroyuki Watanabe, Tsutomu Nishida, Atsushi Okuda, Hideharu Shimozawa, Nobuhiro Nakamura +3 more | 2020-11-10 |
| 10747130 | Process cartridge and electrophotographic apparatus | Atsushi Okuda, Tsutomu Nishida, Nobuhiro Nakamura, Hiroyuki Watanabe, Hideharu Shimozawa +3 more | 2020-08-18 |
| 10747131 | Electrophotographic photosensitive member and method for manufacturing the same as well as process cartridge and electrophotographic image-forming apparatus | Hiroyuki Watanabe, Tsutomu Nishida, Atsushi Okuda, Hideharu Shimozawa, Nobuhiro Nakamura +1 more | 2020-08-18 |
| 10691033 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsutomu Nishida, Atsushi Okuda, Nobuhiro Nakamura, Hiroyuki Watanabe, Hideharu Shimozawa | 2020-06-23 |
| 10656542 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member | Masashi Nishi, Kunihiko Sekido, Akihiro Maruyama | 2020-05-19 |
| 10642177 | Process cartridge and image-forming apparatus | Nobuhiro Nakamura, Tsutomu Nishida, Atsushi Okuda, Hiroyuki Watanabe, Hideharu Shimozawa | 2020-05-05 |
| 10558133 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobuhiro Nakamura, Tsutomu Nishida, Atsushi Okuda, Hiroyuki Watanabe, Hideharu Shimozawa +3 more | 2020-02-11 |
| 10558132 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsutomu Nishida, Atsushi Okuda, Hiroyuki Watanabe, Hideharu Shimozawa, Nobuhiro Nakamura +6 more | 2020-02-11 |
| 10539892 | Electrophotographic photosensitive member, process cartridge, and electrophotographic image-forming apparatus | Tsutomu Nishida, Kenichi Kaku, Nobuhiro Nakamura, Hiroyuki Watanabe, Hideharu Shimozawa +1 more | 2020-01-21 |