Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230196 | Lighted switch device | — | 2007-06-12 |
| 4792575 | Method for manufacturing polyurethane foam | Shoji Takao, Hideo Yamashita, Katsuyoshi Suetsugu, Kazuki Sasaki | 1988-12-20 |