Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345847 | Tape cartridge | Shuichi Kikuchi, Kazuo Sasaki, Hitomi Chiba | 2008-03-18 |
| 5198243 | Calendering roll cleaning apparatus | Tatsuo Shimizu, Toshio Soneta, Takashi Aoya | 1993-03-30 |