Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429785 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shuntaro Watanabe, Taichi Sato, Kohei Makisumi, Kunihiko Sekido | 2025-09-30 |
| 12153370 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tomohito Ishida, Shuntaro Watanabe, Nobuhiro Nakamura, Tatsuya Yamaai, Hiroyuki Watanabe | 2024-11-26 |
| 12153376 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shuntaro Watanabe, Tomohito Ishida, Nobuhiro Nakamura, Hiroyuki Watanabe, Tatsuya Yamaai | 2024-11-26 |