Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643056 | Revolving drum polishing apparatus | Seiji Ishikawa, Norio Kimura, Yoshimi Sasaki, Kouki Yamada, Fujio Aoyama +2 more | 1997-07-01 |
| 5641054 | Magnetic levitation conveyor apparatus | Satoshi Mori, Masao Matsumura, Yoichi Kanemitsu, Takeshi Yoshioka, Masaaki Kajiyama +9 more | 1997-06-24 |
| 5616063 | Polishing apparatus | Katsuya Okumura, Riichirou Aoki, Hiromi Yajima, Masako Kodera, Shirou Mishima +3 more | 1997-04-01 |