Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200380 | Single-crystal manufacturing method and single-crystal manufacturing apparatus | Suguru Matsumoto, Susumu Sonokawa, Takashi Mori | 2015-12-01 |
| 6153009 | Method for producing a silicon single crystal and the silicon single crystal produced thereby | Toshio Hisaichi, Izumi Fusegawa, Tomohiko Ohta, Tetsuya Igarashi, Tetsuhiro Oda | 2000-11-28 |
| 6136090 | Method for producing a silicon single crystal | Kenji Araki, Hideo Okamoto, Atsushi Iwasaki | 2000-10-24 |
| 5887015 | Heater mechanism for crystal pulling apparatus | Nobuaki Mitamura, Atsushi Iwasaki, Shinobu Takeyasu | 1999-03-23 |
| 5795383 | Method and mechanism for lifting gas flow-guide cylinder of a crystal pulling apparatus | Hideo Okamoto, Atsushi Iwasaki, Tetsuhiro Oda | 1998-08-18 |
| 5394829 | Device for pulling silicon single crystal | Koji Mizuishi, Atsushi Iwasaki, Tadashi Niwayama, Tetsuhiro Oda | 1995-03-07 |
| 5009864 | Recharging device for czochralski method | Hiroyuki Ibe | 1991-04-23 |