Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713956 | Apparatus for manufacturing spring units | Noboru Sasaki, Yasuji Iwata | 1987-12-22 |
| 4622839 | Apparatus for manufacturing spring unit | Noboru Sasaki, Yasuji Iwata | 1986-11-18 |
| 4571759 | Bed apparatus with a urinal | Noboru Sasaki, Yasuji Iwata | 1986-02-25 |