Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071341 | Apparatus for fabricating single-crystal silicon | Yoshiyuki Shimanuki, Toshirou Kotooka, Makoto Kamogawa | 2000-06-06 |
| 6030450 | Method of fabricating a silicon single crystal | Toshiaki Saishouji, Takashi Yokoyama, Hirotaka Nakajima, Kouzou Nakamura | 2000-02-29 |
| 5997635 | Method for fabricating a single-crystal semiconductor | Toshiro Kotooka, Makoto Kamogawa | 1999-12-07 |
| 5968260 | Method for fabricating a single-crystal semiconductor | Toshiaki Saishouji, Tetsuhiro Iida, Kouzou Nakamura, Junsuke Tomioka | 1999-10-19 |
| 5968262 | Method of fabricating silicon single crystals | Toshiaki Saishouji, Kouzou Nakamura, Junsuke Tomioka | 1999-10-19 |
| 5948159 | Method of controlling defects of a silicon single crystal | Kozo Nakamura, Toshiaki Saishoji | 1999-09-07 |
| 5935326 | Apparatus for manufacturing semiconductor single crystals | Toshirou Kotooka, Makoto Kamogawa, Yoshiyuki Shimanuki | 1999-08-10 |
| 5900059 | Method and apparatus for fabricating semiconductor single crystal | Yoshiyuki Shimanuki, Toshirou Kotooka, Makoto Kamogawa | 1999-05-04 |
| 5885347 | Apparatus and method for lifting single crystals | Junsuke Tomioka, Hiroshi Inagaki, Ayumi Suda | 1999-03-23 |
| 5853480 | Apparatus for fabricating a single-crystal semiconductor | Toshiro Kotooka, Makoto Kamogawa | 1998-12-29 |
| 5824152 | Semiconductor single-crystal pulling apparatus | Toshiro Kotooka, Toshiaki Saishoji, Tetsuhiro Iida | 1998-10-20 |
| 4612418 | Method for controlling task process and device thereof | Yoshiaki Takeda, Takashi Oyamada, Toshiaki Hayasaka, Osamu Kai | 1986-09-16 |