Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9193597 | Method for purifying chlorosilanes | Takaaki Shimizu, Katsuhiro Uehara, Tohru Kubota | 2015-11-24 |
| 7909930 | Method for producing a silicon single crystal and a silicon single crystal | Ryoji Hoshi, Izumi Fusegawa | 2011-03-22 |
| 5902395 | Method for feeding granular silicon material, feed pipe used in the method, and method of manufacturing a silicon monocrystal | Isamu Harada, Chihiro Tashiro, Michiaki Oda | 1999-05-11 |
| 5900055 | Method of manufacturing silicon monocrystal by continuously charged Czochralski method | Koji Mizuishi, Michiaki Oda | 1999-05-04 |
| 5876496 | Method for feeding a granular raw material and feeding apparatus | Chihiro Tashiro, Atsushi Ozaki, Michiaki Oda | 1999-03-02 |
| 5868835 | Apparatus for recharging of silicon granules in a czochralski single crystal growing operation | Michiaki Oda, Seiichiro Ohtsuka, Isamu Harada | 1999-02-09 |
| 5779790 | Method of manufacturing a silicon monocrystal | Toshinari Murai | 1998-07-14 |
| 5733368 | Method of manufacturing silicon monocrystal using continuous czochralski method | Isamu Harada, Michiaki Oda | 1998-03-31 |
| 5690733 | Method for recharging of silicon granules in a Czochralski single crystal growing operation | Michiaki Oda, Seiichiro Ohtsuka, Isamu Harada | 1997-11-25 |