Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10295477 | Methods for defect inspection, sorting, and manufacturing photomask blank | Tsuneo Terasawa, Hiroshi Fukuda, Takahiro KISHITA, Daisuke Iwai | 2019-05-21 |
| 9829442 | Defect inspecting method, sorting method and producing method for photomask blank | Tsuneo Terasawa, Daisuke Iwai, Takahiro KISHITA, Hiroshi Fukuda | 2017-11-28 |
| 9829787 | Defect inspecting method, sorting method, and producing method for photomask blank | Tsuneo Terasawa, Hiroshi Fukuda, Takahiro KISHITA, Daisuke Iwai | 2017-11-28 |
| 9772551 | Evaluation method of defect size of photomask blank, selection method, and manufacturing method | Tsuneo Terasawa, Takahiro KISHITA, Daisuke Iwai, Hiroshi Fukuda | 2017-09-26 |