Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478977 | Polishing method and apparatus | Katsuhiko Yamaguchi, Yoshio Homma, Sunao Matsubara, Yoshihiro Ishida, Ryousei Kawa-ai | 2002-11-12 |
| 6336842 | Rotary machining apparatus | Shigeo Ootsuki, Takashi Kugaya, Kenichi Togawa, Makoto Kajiwara, Shyuichi Oowada +2 more | 2002-01-08 |