Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10095136 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Kunihiko Sekido | 2018-10-09 |
| 10065969 | Method for producing carboxylic acid anhydride, method for producing carboxylic imide, and method for manufacturing electrophotographic photosensitive member | Kei Tagami, Akihito Saitoh, Kunihiko Sekido, Michiyo Sekiya | 2018-09-04 |
| 9921498 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Michiyo Sekiya, Kei Tagami | 2018-03-20 |
| 9864285 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Michiyo Sekiya, Kei Tagami, Yuki Yamamoto | 2018-01-09 |