Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679059 | Polishing aparatus and method | Tetsuji Togawa, Harumitsu Saito, Manabu Tsujimura, Hiromi Yajima, Kazuaki Himukai +7 more | 1997-10-21 |
| 5679064 | Polishing apparatus including detachable cloth cartridge | Tamami Takahashi, Tetsuji Togawa | 1997-10-21 |
| 5645473 | Polishing apparatus | Tetsuji Togawa | 1997-07-08 |