Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045093 | Method for manufacturing sintered magnet | Atsuo Tanaka, Shoichi Matsugami, Atsushi Ogawa, Hitoshi Morimoto | 2006-05-16 |
| 6656416 | Powder feeding apparatus, pressing apparatus using the same, powder feeding method and sintered magnet manufacturing method | Akira Nakamura, Atsuo Tanaka, Shouichi Matsugami, Yoshiro Takano | 2003-12-02 |
| 5961432 | Forgery preventive sheet and method of manufacturing same | Toru Murakami, Youichi Fujimoto | 1999-10-05 |
| 5766416 | Method of producing watermark paper | Kin-ya Hiyoshi, Takayuki Fukuchi | 1998-06-16 |