Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868835 | Apparatus for recharging of silicon granules in a czochralski single crystal growing operation | Naoki Nagai, Michiaki Oda, Isamu Harada | 1999-02-09 |
| 5690733 | Method for recharging of silicon granules in a Czochralski single crystal growing operation | Naoki Nagai, Michiaki Oda, Isamu Harada | 1997-11-25 |
| 5129986 | Method for controlling specific resistance of single crystal and an apparatus therefor | Hidetoshi Seki, Masahiko Baba | 1992-07-14 |
| 5106593 | Apparatus for producing Czochralski-grown single crystals | Koji Mizuishi, Michiaki Oda, Yasushi Nakamura, Atsushi Shiozawa, Fumio Yamada +3 more | 1992-04-21 |
| 5089239 | Wire vibration prevention mechanism for a single crystal pulling apparatus | Koji Mizuishi, Isamu Harada, Yasushi Nakamura, Michiaki Oda, Yoshihiro Hirano +1 more | 1992-02-18 |