Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7727334 | Apparatus for pulling single crystal by CZ method | Hiroshi Inagaki, Shigeki Kawashima, Toshirou Kotooka, Toshiaki Saishoji, Daisuke Ebi +7 more | 2010-06-01 |
| 6977010 | Apparatus for pulling single crystal by CZ method | Hiroshi Inagaki, Shigeki Kawashima, Toshirou Kotooka, Toshiaki Saishoji, Daisuke Ebi +7 more | 2005-12-20 |
| 6858076 | Method and apparatus for manufacturing single-crystal ingot | Hirotaka Nakajima, Toshirou Kotooka, Yoshiyuki Shimanuki, Hiroshi Inagaki, Shigeki Kawashima | 2005-02-22 |
| 6733585 | Apparatus for pulling single crystal by CZ method | Hiroshi Inagaki, Shigeki Kawashima, Tadashi Hata | 2004-05-11 |
| 6270575 | Apparatus and a method of manufacturing a crystal | Shoei Kurosaka, Nobuyuki Hukuda, Junsuke Tomioka | 2001-08-07 |
| 6117402 | Device for manufacturing single crystals | Toshirou Kotooka, Yoshiyuki Shimanuki | 2000-09-12 |
| 6071341 | Apparatus for fabricating single-crystal silicon | Yoshiyuki Shimanuki, Toshimichi Kubota, Toshirou Kotooka | 2000-06-06 |
| 6036776 | Method and device for manufacturing single crystals | Toshiro Kotooka, Yoshiyuki Shimanuki | 2000-03-14 |
| 5997635 | Method for fabricating a single-crystal semiconductor | Toshimichi Kubota, Toshiro Kotooka | 1999-12-07 |
| 5935326 | Apparatus for manufacturing semiconductor single crystals | Toshirou Kotooka, Toshimichi Kubota, Yoshiyuki Shimanuki | 1999-08-10 |
| 5900059 | Method and apparatus for fabricating semiconductor single crystal | Yoshiyuki Shimanuki, Toshimichi Kubota, Toshirou Kotooka | 1999-05-04 |
| 5853480 | Apparatus for fabricating a single-crystal semiconductor | Toshimichi Kubota, Toshiro Kotooka | 1998-12-29 |