Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10782608 | Method for preparing photomask blank, photomask blank, method for preparing photomask, photomask, and metallic chromium target | Yukio Inazuki, Kouhei Sasamoto | 2020-09-22 |
| 5595604 | Wafer supporting boat | Shuichi Kobayashi, Masayuki Kobayashi, Youichi Serizawa, Mamoru Akimoto, Shinichi Okoshi | 1997-01-21 |