Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113247 | Semiconductor single crystal pulling apparatus and method for remelting semiconductor single crystal using this | Naoki Masuda | 2018-10-30 |
| 9650724 | Method of charging raw material, method of manufacturing single crystals, and single crystal manufacturing apparatus | Katsuyuki Kitagawa, Katsuhiro Yoshida | 2017-05-16 |
| 9260796 | Method for measuring distance between lower end surface of heat insulating member and surface of raw material melt and method for controlling thereof | Ryoji Hoshi, Susumu Sonokawa | 2016-02-16 |
| 8885915 | Method for measuring and controlling distance between lower end surface of heat shielding member and surface of raw material melt and method for manufacturing silicon single crystal | Kosei Sugawara, Ryoji Hoshi | 2014-11-11 |
| 8764900 | Apparatus and method for producing single crystals | Kiyotaka Takano, Ryoji Hoshi | 2014-07-01 |
| 8085985 | Method for determining distance between reference member and melt surface, method for controlling location of melt surface using the same, and apparatus for production silicon single crystal | Izumi Fusegawa | 2011-12-27 |
| 6010568 | Method for adjusting initial position of melt surface | Atsushi Ozaki, Tomohiro Kakegawa, Hideki Nakano | 2000-01-04 |
| 5938841 | Device for producing a single crystal | Kouji Kitagawa, Kouji Mizuishi, Kenji Araki, Eiichi Iino, Izumi Fusegawa | 1999-08-17 |
| 5888299 | Apparatus for adjusting initial position of melt surface | Atsushi Ozaki, Tomohiro Kakegawa, Hideki Nakano | 1999-03-30 |
| 5882397 | Crystal pulling method | Eiichi Iino, Makoto Iida, Masanori Kimura, Shozo Muraoka | 1999-03-16 |
| 5879448 | Crystal pulling methods and apparatus | Yasushi Nakamura, Seiichiro Otsuka, Eiichi Iino | 1999-03-09 |
| 5851286 | Crystal pulling apparatus | Atsushi Ozaki, Isamu Harada, Tomohiro Kakegawa, Hideki Nakano | 1998-12-22 |
| 5419277 | Method and apparatus for producing a Czochralski growth semiconductor single-crystal | Michiaki Oda | 1995-05-30 |
| 5370077 | Single crystal rod pull-up growing apparatus | Yoshihiro Hirano, Atsushi Ozaki | 1994-12-06 |
| 5089239 | Wire vibration prevention mechanism for a single crystal pulling apparatus | Koji Mizuishi, Isamu Harada, Yasushi Nakamura, Michiaki Oda, Seiichiro Ohtsuka +1 more | 1992-02-18 |