Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923398 | Mechanism for winding sheet material | Yuichi Shirase, Tohru Sambommatsu | 2005-08-02 |
| 5460252 | One-way rotary damper | Yoshio Shibanushi, Yoshiaki Nishiyama | 1995-10-24 |