Issued Patents 1997
Showing 1–2 of 2 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 |