Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010568 | Method for adjusting initial position of melt surface | Masahiko Urano, Atsushi Ozaki, Hideki Nakano | 2000-01-04 |
| 5888299 | Apparatus for adjusting initial position of melt surface | Masahiko Urano, Atsushi Ozaki, Hideki Nakano | 1999-03-30 |
| 5851286 | Crystal pulling apparatus | Atsushi Ozaki, Masahiko Urano, Isamu Harada, Hideki Nakano | 1998-12-22 |
| 4926357 | Apparatus for measuring diameter of crystal | Nobuo Katsuoka, Yoshihiro Hirano | 1990-05-15 |