Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809902 | Method for evaluating silica glass crucible, method for producing silicon single crystals | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara, Eriko Kitahara | 2017-11-07 |
| 9115445 | Vitreous silica crucible | Toshiaki Sudo, Hiroshi Kishi | 2015-08-25 |
| 8936685 | Vitreous silica crucible for pulling silicon single crystal and method of manufacturing the same | Toshiaki Sudo, Minoru Kanda, Hiroshi Kishi | 2015-01-20 |
| 8715415 | Vitreous silica crucible for pulling silicon single crystal | Hiroshi Kishi, Minoru Kanda | 2014-05-06 |