Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085009 | Carrier for supporting workpiece to be polished | Akira Kinumura, Katsuhiko Koretomo, Shuichi Yura, Tatsuhiko Kuwano | 1992-02-04 |
| 4753838 | Polishing sheet material and method for its production | Shinichi Watanabe | 1988-06-28 |