Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679059 | Polishing aparatus and method | Toyomi Nishi, Harumitsu Saito, Manabu Tsujimura, Hiromi Yajima, Kazuaki Himukai +7 more | 1997-10-21 |
| 5679064 | Polishing apparatus including detachable cloth cartridge | Toyomi Nishi, Tamami Takahashi | 1997-10-21 |
| 5670011 | Apparatus and method for polishing workpiece | Norio Kimura | 1997-09-23 |
| 5647792 | Polishing apparatus | Seiji Katsuoka, Kunihiko Sakurai | 1997-07-15 |
| 5645473 | Polishing apparatus | Toyomi Nishi | 1997-07-08 |
| 5643067 | Dressing apparatus and method | Seiji Katsuoka, Kunihiko Sakurai | 1997-07-01 |