Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733058 | Winding roll lifting device with adjustable supporting arm and chuck member | — | 2004-05-11 |
| 5743703 | Web carrying apparatus | — | 1998-04-28 |
| 4926906 | Spool valve | Kouji Ichihashi, Junichi Tani, Katsuhiko Tsukazaki, Hiroshi Sakuyama, Nobuo Baba +2 more | 1990-05-22 |
| 4905961 | Electromagnetic actuator | Kouji Ichihashi, Jun Tani, Katsuhiko Tsukazaki, Hiroshi Sakuyama, Nobuo Baba +2 more | 1990-03-06 |
| 4840323 | Web winding and/or rewinding shaft structure | — | 1989-06-20 |