Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535546 | Silica glass crucible | Ken Kitahara, Masaru Sato | 2022-12-27 |
| 9758900 | Silica glass crucible | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara, Hiroshi Kishi | 2017-09-12 |
| 9527763 | Method of manufacturing composite crucible | Toshiaki Sudo, Ken Kitahara | 2016-12-27 |
| 9469560 | Method of manufacturing vitreous silica crucible, vitreous silica crucible | Toshiaki Sudo, Koichi Suzuki, Shinsuke Yamazaki | 2016-10-18 |
| 9284207 | Method of manufacturing granulated silica powder, method of manufacturing vitreous silica crucible | Toshiaki Sudo, Koichi Suzuki, Shinsuke Yamazaki | 2016-03-15 |
| 9266763 | Composite crucible and method of manufacturing the same | Toshiaki Sudo, Ken Kitahara | 2016-02-23 |
| 9133063 | Composite crucible, method of manufacturing the same, and method of manufacturing silicon crystal | Toshiaki Sudo, Hiroshi Kishi, Takeshi Fujita, Minoru Kanda, Koichi Suzuki +1 more | 2015-09-15 |
| 8671716 | Method of manufacturing vitreous silica crucible | Toshiaki Sudo | 2014-03-18 |
| 8128055 | Mold for producing a silica crucible | Masaki Morikawa | 2012-03-06 |
| 8105514 | Mold for producing silica crucible | Masaki Morikawa | 2012-01-31 |
| 8100379 | Mold for producing silica crucible | Masaki Morikawa | 2012-01-24 |
| 8066254 | Mold for producing silica crucible | Masaki Morikawa | 2011-11-29 |