Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913616 | Ram position detection method, ram drive method, ram drive device, and press machine having the ram drive device | Makoto Aoki, Nobuaki Ariji, Shigeki Noguchi | 2011-03-29 |
| 5951069 | Door closing apparatus | Norikazu Kobayashi, Hiroshi Ishihara, Ryujiro Akizuki | 1999-09-14 |
| 5944367 | Door closing apparatus | Tomoaki Imaizumi, Eiji Itami, Hiroshi Ishihara, Norikazu Kobayashi, Ryujiro Akizauki | 1999-08-31 |