Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698469 | Cylinder cabinet and method of purging remaining gas in the pipe thereof | Yutaka Sakamoto, Tsuneo Kano, Takashi Ogawa, Hiroshi Matsumura, Toshiaki Sango +1 more | 2004-03-02 |
| 4949511 | Super abrasive grinding tool element and grinding tool | Yukio Endo, Kazuyuki Mitani, Tadashi Matsuoka, Masayoshi Ueki | 1990-08-21 |