Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605152 | Catch pan for melt leakage in apparatus for pulling single crystal | Tomohiko Ohta | 2003-08-12 |
| 5900055 | Method of manufacturing silicon monocrystal by continuously charged Czochralski method | Naoki Nagai, Michiaki Oda | 1999-05-04 |
| 5735951 | Single crystal pulling apparatus | Eiichi Iino, Kiyotaka Takano, Masanori Kimura, Hirotoshi Yamagishi | 1998-04-07 |
| 5667588 | Single crystal pulling apparatus | Eiichi Iino, Kiyataka Takano, Masanori Kimura, Hirotoshi Yamagishi | 1997-09-16 |
| 5462010 | Apparatus for supplying granular raw material for a semiconductor single crystal pulling apparatus | Kiyotaka Takano, Izumi Fusegawa, Hirotoshi Yamagishi, Katsuhiko Ogino | 1995-10-31 |
| 5394829 | Device for pulling silicon single crystal | Toshiharu Uesugi, Atsushi Iwasaki, Tadashi Niwayama, Tetsuhiro Oda | 1995-03-07 |
| 5356113 | Isolation valve for single crystal pulling apparatus | Kouzou Yokota, Katsuhiko Ogino | 1994-10-18 |
| 5330729 | Single crystal pulling apparatus | Michiaki Oda | 1994-07-19 |
| 5254319 | Single crystal pulling apparatus | Michiaki Oda | 1993-10-19 |
| 5106593 | Apparatus for producing Czochralski-grown single crystals | Michiaki Oda, Yasushi Nakamura, Seiichiro Ohtsuka, Atsushi Shiozawa, Fumio Yamada +3 more | 1992-04-21 |
| 5096677 | Single crystal pulling apparatus | Nobuo Katsuoka, Shinichi Furuse, Shigemaru Maeda | 1992-03-17 |
| 5089239 | Wire vibration prevention mechanism for a single crystal pulling apparatus | Isamu Harada, Yasushi Nakamura, Michiaki Oda, Seiichiro Ohtsuka, Yoshihiro Hirano +1 more | 1992-02-18 |
| 5020775 | Isolation valve used in a single crystal pulling apparatus | Atsushi Iwasaki, Michiaki Oda | 1991-06-04 |