Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478977 | Polishing method and apparatus | Shigeo Moriyama, Katsuhiko Yamaguchi, Yoshio Homma, Sunao Matsubara, Yoshihiro Ishida | 2002-11-12 |
| 6180020 | Polishing method and apparatus | Shigeo Moriyama, Katsuhiko Yamaguchi, Yoshio Homma, Sunao Matsubara, Yoshihiro Ishida | 2001-01-30 |