Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422922 | Workpiece holder for polishing, apparatus for polishing workpiece and method for polishing workpiece | Kouichi Okamura, Hisashi Masumura, Kouzi Morita, Naotaka Toyama | 2002-07-23 |
| 6399498 | Method and apparatus for polishing work | Hisashi Masumura, Kouichi Okamura | 2002-06-04 |
| 6386957 | Workpiece holder for polishing, method for producing the same, method for polishing workpiece, and polishing apparatus | Hisashi Masumura, Kouichi Tanaka, Kouzi Morita, Kouichi Okamura, Naotaka Toyama | 2002-05-14 |
| 6337724 | Image display system | Toshio Itoh, Haruhiko Nagai, Tsunehiro Imamura, Takayoshi Semasa, Kenji Tatsumi +5 more | 2002-01-08 |