Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8696813 | Method of manufacturing silicon single crystal, apparatus for pulling silicon single crystal and vitreous silica crucible | Masanori Fukui, Hideki Watanabe | 2014-04-15 |
| 7819972 | Method for growing silicon single crystal and method for manufacturing silicon wafer | Shuichi Inami, Yasuhiro Kogure, Ken Hamada, Tsuyoshi Nakamura | 2010-10-26 |
| 7473314 | Method for growing silicon single crystal | Shuichi Inami, Yasuhiro Kogure, Ken Hamada, Tsuyoshi Nakamura | 2009-01-06 |
| 7442251 | Method for producing silicon single crystals and silicon single crystal produced thereby | Shuichi Inami, Hiroki Murakami, Ken Hamada, Tsuyoshi Nakamura | 2008-10-28 |
| 7397110 | High resistance silicon wafer and its manufacturing method | Hideshi Nishikawa, Makoto Ito, Koji Sueoka, Shinsuke Sadamitsu | 2008-07-08 |
| 7316745 | High-resistance silicon wafer and process for producing the same | Shinsuke Sadamitsu, Hiroyuki Takao, Koji Sueoka, Masataka Horai | 2008-01-08 |
| 7273647 | Silicon annealed wafer and silicon epitaxial wafer | Hideshi Nishikawa, Kazuyuki Egashira, Hiroshi Hayakawa | 2007-09-25 |
| 7226571 | High resistivity silicon wafer and method for fabricating the same | Shinsuke Sadamitsu, Takayuki Kihara, Masataka Hourai | 2007-06-05 |
| 7220308 | Manufacturing method of high resistivity silicon single crystal | Hideshi Nishikawa, Makoto Ito, Koujl Sueoka, Shinsuke Sadamitsu | 2007-05-22 |
| 7172656 | Device and method for measuring position of liquid surface or melt in single-crystal-growing apparatus | Keiichi Takanashi | 2007-02-06 |
| 6423137 | Single crystal material supplying apparatus and single crystal material supplying method | — | 2002-07-23 |
| 6361597 | Single crystal material auxiliary melting apparatus and single crystal material melting method | Tomohisa Machida, Yutaka Shiraishi | 2002-03-26 |