Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012792 | Rotary blade and a rotary substrate for use in the rotary blade | Azuma Kawata, Hirofumi Kano, Ichiro Miyao | 1991-05-07 |
| 4856490 | Wire saw | Tsunezo Kawase, Kunio Okada | 1989-08-15 |