Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570388 | Apparatus for abrasive cleaning | Masanobu Takahashi, Minoru Shiraishi, Yoshimi Numata, Norio Urata, Tatsuo Kawano +1 more | 1986-02-18 |
| 4532878 | Apparatus for abrasive cleaning | Minoru Shiraishi, Yoshimi Numata, Tatsumi Onaka | 1985-08-06 |
| 4196684 | Shuttle device for sewing machine | Tadao Kohara | 1980-04-08 |