Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6086500 | Toothed belt | Atsushi Matsuki, Shigehiro Isshiki, Hiroshi Kida | 2000-07-11 |
| 5529545 | Toothed belt | Shigehiro Isshiki, Yoshiyuki Shiokaramatsu | 1996-06-25 |
| 4826472 | Toothed belt | Akihiro Sato, Shigehiro Isshiki | 1989-05-02 |