Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573448 | Method of polishing wafers, a backing pad used therein, and method of making the backing pad | Yukio Nakazima | 1996-11-12 |
| 5521781 | Substrate for magnetic recording medium | Hideo Kaneko, Yasuaki Nakazato, Toyofumi Aoki | 1996-05-28 |
| 4243473 | Method for detecting crystal defects in semiconductor silicon and detecting solution therefor | Hisayoshi Yamaguchi | 1981-01-06 |