Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149567 | Cushion and method of manufacturing the same | Takeshi Minegishi, Toshihiro Takehana, Toru Sakai | 1992-09-22 |
| 4944992 | Cushion | Atsushi Misumi, Shuji Hiromoto, Toru Sakai | 1990-07-31 |
| 4902542 | Cushion and method of manufacturing the same | Takeshi Minegishi, Toshihiro Takehana, Toru Sakai | 1990-02-20 |