Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068699 | Apparatus for fabricating semiconductor single crystal | Hideki Tsuji, Yoshinobu Hiraishi | 2000-05-30 |
| 5997641 | Seed-crystal holder for single-crystal pulling devices with magnetic field applied thereto | Yoshinobu Hiraishi, Mitsuo Usukubo, Ayumi Suda | 1999-12-07 |
| 5938843 | Apparatus for pulling up crystal bodies | Yoshinobu Hiraishi, Shoei Kurosaka, Hiroshi Inagaki | 1999-08-17 |
| 5935325 | Apparatus for manufacturing a single crystal | Hideki Tsuji, Yoshinobu Hiraishi, Ryo Yamagishi | 1999-08-10 |
| 5935322 | Method of pulling up a single crystal semiconductor | Koichi Shimomura, Yoshinobu Hiraishi, Kentaro Nakamura | 1999-08-10 |
| 5858088 | Device for lifting crystal bodies | Yoshinobu Hiraishi, Hideki Tsuji | 1999-01-12 |
| 5766347 | Apparatus for fabricating a semiconductor single crystal | Koichi Shimomura, Yoshinobu Hiraishi | 1998-06-16 |