Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640497 | Door glass raising and falling apparatus having elastic stoppers | Masatoshi Sakaguchi, Koji Ishii | 2003-11-04 |
| 6397524 | Door glass raising and falling apparatus | Masatoshi Sakaguchi, Koji Ishii | 2002-06-04 |