Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203125 | Openable roof | — | 1993-04-20 |
| 5117594 | Openable roof apparatus | Hiroki Muramoto, Shuji Okuda, Toshihiko Hirama, Hajime Nakajima | 1992-06-02 |
| 5063730 | Openable roof apparatus | Hiroki Muramoto | 1991-11-12 |
| 5027565 | Openable roof | — | 1991-07-02 |