Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9284207 | Method of manufacturing granulated silica powder, method of manufacturing vitreous silica crucible | Takuma Yoshioka, Koichi Suzuki, Shinsuke Yamazaki | 2016-03-15 |
| 9266763 | Composite crucible and method of manufacturing the same | Ken Kitahara, Takuma Yoshioka | 2016-02-23 |
| 9243343 | Vitreous silica crucible | Hiroshi Kishi | 2016-01-26 |
| 9187359 | Method of evaluating silica powder, vitreous silica crucible, and method of manufacturing vitreous silica crucible | Hiroshi Kishi | 2015-11-17 |
| 9187357 | Vitreous silica crucible having outer, intermediate, and inner layers | Masaru Sato | 2015-11-17 |
| 9181121 | Method for manufacturing vitreous silica crucible | Eriko Suzuki | 2015-11-10 |
| 9157168 | Vitreous silica crucible having transparent layer, bubble-containing layer, and semi-transparent layer in its wall, method of manufacturing the same, and method of manufacturing silicon ingot | Hiroshi Kishi, Eriko Suzuki | 2015-10-13 |
| 9133063 | Composite crucible, method of manufacturing the same, and method of manufacturing silicon crystal | Takuma Yoshioka, Hiroshi Kishi, Takeshi Fujita, Minoru Kanda, Koichi Suzuki +1 more | 2015-09-15 |
| 9115019 | Vitreous silica crucible and method of manufacturing the same | Hiroshi Kishi, Eriko Suzuki | 2015-08-25 |
| 9115445 | Vitreous silica crucible | Hiroshi Kishi, Makiko Kodama | 2015-08-25 |
| 9109300 | Vitreous silica crucible provided with mineralizer on its inner surface and method of manufacturing silicon ingot using same | Hiroshi Kishi | 2015-08-18 |
| 9085480 | Method of manufacturing vitreous silica crucible | Eriko Suzuki | 2015-07-21 |
| 8936685 | Vitreous silica crucible for pulling silicon single crystal and method of manufacturing the same | Makiko Kodama, Minoru Kanda, Hiroshi Kishi | 2015-01-20 |
| 8936684 | Vitreous silica crucible | Hiroshi Kishi, Ken Kitahara | 2015-01-20 |
| 8806892 | Method of manufacturing vitreous silica crucible | Eriko Suzuki | 2014-08-19 |
| 8769988 | Method and apparatus for manufacturing vitreous silica crucible | Hiroshi Kishi, Kouta Hasebe | 2014-07-08 |
| 8774959 | Method of calculating temperature distribution of crucible | Eriko Suzuki, Naoki Ono | 2014-07-08 |
| 8739573 | Apparatus and method for manufacturing vitreous silica crucible | Eriko Suzuki, Hiroshi Kishi, Takeshi Fujita | 2014-06-03 |
| 8726692 | Method of manufacturing vitreous silica crucible | Eriko Suzuki | 2014-05-20 |
| 8689584 | Method of manufacturing vitreous silica crucible | Eriko Suzuki | 2014-04-08 |
| 8671716 | Method of manufacturing vitreous silica crucible | Takuma Yoshioka | 2014-03-18 |
| 8281620 | Apparatus for manufacturing vitreous silica crucible | Takeshi Fujita | 2012-10-09 |
| 8276402 | Method and apparatus for manufacturing vitreous silica crucible | Hiroshi Kishi, Kouta Hasebe | 2012-10-02 |
| 4718016 | Method of and system for controlling idling speed in electronically controlled engine | — | 1988-01-05 |