Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410275 | Vehicle wiper blade | Shota Segawa, Takehiko Aoyama, Masanori Yokoyama, Hidekazu Matsuda, Syoji Inoue +1 more | 2025-09-09 |
| 11630411 | Electrophotographic cleaning blade, process cartridge, and electrophotographic image forming apparatus | Arihiro Yamamoto, Syoji Inoue, Masahiro Watanabe, Toshirou Uchida, Masanori Yokoyama +4 more | 2023-04-18 |
| 9632474 | Cleaning blade, process cartridge and electrophotographic image forming apparatus | Arihiro Yamamoto, Nanami Isozaki | 2017-04-25 |