Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344500 | Paper feeding roller and paper feeding device | Hirotoshi Matsuda, Kazushi Yamaguchi | 2025-07-01 |
| 6283904 | Conductive roll | Masahiko Itoh, Tetsuya Itoh | 2001-09-04 |
| 5804309 | Charging roll | Tetsuya Itoh, Takafumi Yamamoto, Hiroki Sugiura, Atsuhiro Kawano, Saburou Hayashi | 1998-09-08 |