Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289326 | Rotary head cylinder produced by injection of pressurized resin | Tetsunori Matsuwaka, Kenji Kobayashi, Takashi Ogawa, Tomonobu Ogino, Hiroshi Hanafusa | 1994-02-22 |