Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683505 | Process for producing single crystals | Setsuo Okamoto | 1997-11-04 |
| 5611857 | Apparatus for producing single crystals | Yoshihiro Akashi, Setsuo Okamoto, Yasuji Tsujimoto, Makoto Ito | 1997-03-18 |
| 5575847 | Apparatus for producing single crystals | Setsuo Okamoto | 1996-11-19 |
| 5477806 | Method of producing silison single crystal | Yoshihiro Akashi, Setsuo Okamoto, Takayuki Kubo | 1995-12-26 |
| 5474019 | Process for producing silicon single crystals | Yoshihiro Akashi, Setsuo Okamoto, Yasuji Tsujimoto, Makoto Ito | 1995-12-12 |
| 5471949 | Apparatus for producing silicon single crystal | Makoto Ito, Kiichiro Kitaura | 1995-12-05 |
| 5392729 | Method of producing silicon single crystal | Makoto Ito, Kiichiro Kitaura | 1995-02-28 |
| 5260037 | Apparatus for producing silicon single crystal | Kiichiro Kitaura, Makoto Ito | 1993-11-09 |
| 5152867 | Apparatus and method for producing silicon single crystal | Kiichiro Kitaura, Makoto Ito | 1992-10-06 |