Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159283 | Apparatus and method for measuring mechanical strength of neck portion of seed crystal and method for producing silicon single crystal | Michiaki Oda, Masaru Toyoshima, Toshinari Murai, Eiichi Iino | 2000-12-12 |
| 5902395 | Method for feeding granular silicon material, feed pipe used in the method, and method of manufacturing a silicon monocrystal | Naoki Nagai, Chihiro Tashiro, Michiaki Oda | 1999-05-11 |
| 5868835 | Apparatus for recharging of silicon granules in a czochralski single crystal growing operation | Naoki Nagai, Michiaki Oda, Seiichiro Ohtsuka | 1999-02-09 |
| 5851286 | Crystal pulling apparatus | Atsushi Ozaki, Masahiko Urano, Tomohiro Kakegawa, Hideki Nakano | 1998-12-22 |
| 5733368 | Method of manufacturing silicon monocrystal using continuous czochralski method | Naoki Nagai, Michiaki Oda | 1998-03-31 |
| 5690733 | Method for recharging of silicon granules in a Czochralski single crystal growing operation | Naoki Nagai, Michiaki Oda, Seiichiro Ohtsuka | 1997-11-25 |
| 5089239 | Wire vibration prevention mechanism for a single crystal pulling apparatus | Koji Mizuishi, Yasushi Nakamura, Michiaki Oda, Seiichiro Ohtsuka, Yoshihiro Hirano +1 more | 1992-02-18 |