Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373805 | Single crystal pulling apparatus | Kiyotaka Takano, Izumi Fusegawa | 1994-12-20 |
| 5361721 | Single crystal pulling apparatus | Kiyotaka Takano, Izumi Fusegawa | 1994-11-08 |
| 5359959 | Method for pulling up semi-conductor single crystal | Izumi Fusegawa | 1994-11-01 |
| 5348893 | Method for treatment of semiconductor wafer | — | 1994-09-20 |
| 5340434 | Process for producing silicon single crystal | Kiyotaka Takano, Izumi Fusegawa | 1994-08-23 |
| 5306387 | Method for pulling up semiconductor single crystal | Izumi Fusegawa | 1994-04-26 |
| 5262338 | Method for fabrication of semiconductor device | Izumi Fusegawa, Nobuyoshi Fujimaki, Yukio Karasawa | 1993-11-16 |
| 5258092 | Method of growing silicon monocrystalline rod | Masanori Kimura, Hideo Arai | 1993-11-02 |
| 5248378 | Method and apparatus for producing silicon single crystal | Tetsuhiro Oda, Izumi Fusegawa, Atsushi Iwasaki, Akiho Maeda, Shinobu Takeyasu +2 more | 1993-09-28 |
| 5126113 | Apparatus for producing czochralski-grown single crystals | Kouji Mizuishi, Fumihiko Hasegawa | 1992-06-30 |
| 5110404 | Method for heat processing of silicon | Izumi Fusegawa, Takao Abe | 1992-05-05 |
| 5067989 | Single crystal silicon | Shuji Yokota | 1991-11-26 |
| 4956153 | Apparatus for Czochralski single crystal growing | Izumi Fusegawa, Shuuji Yokota, Takao Abe | 1990-09-11 |