Issued Patents All Time
Showing 76–91 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5817171 | Apparatus and method for producing single crystal using Czochralski technique | Masahiro Sakurada, Tomohiko Oota, Kiyotaka Takano | 1998-10-06 |
| 5792255 | Manufacturing method of single crystal | Eiichi Iino, Kiyotaka Takano, Hirotoshi Yamagishi | 1998-08-11 |
| 5792258 | High-frequency induction heater and method of producing semiconductor single crystal using the same | Ken Yoshizawa, Teruaki Fukami, Hirotoshi Yamagishi | 1998-08-11 |
| 5788718 | Apparatus and a method for growing a single crystal | Hirotoshi Yamagishi, Kiyotaka Takano, Eiichi Iino | 1998-08-04 |
| 5785758 | Single crystal growing apparatus | Hirotoshi Yamagishi, Kiyotaka Takano | 1998-07-28 |
| 5735951 | Single crystal pulling apparatus | Eiichi Iino, Kiyotaka Takano, Koji Mizuishi, Hirotoshi Yamagishi | 1998-04-07 |
| 5728211 | Silicon single crystal with low defect density and method of producing same | Kiyotaka Takano, Kouji Kitagawa, Eiichi Iino, Hirotoshi Yamagishi, Masahiro Sakurada | 1998-03-17 |
| 5711913 | Biaxial orientation blow molding method and preform holding jig | Nobuichi Seki, Yoshiyuki Ichizawa, Yukio Koshidaka | 1998-01-27 |
| 5688321 | Apparatus for producing a silicon single crystal by a float-zone method | Hirotoshi Yamagishi | 1997-11-18 |
| 5667588 | Single crystal pulling apparatus | Eiichi Iino, Kiyataka Takano, Koji Mizuishi, Hirotoshi Yamagishi | 1997-09-16 |
| 5646796 | Apparatus and method for recording and reproducing topic data with digital video and audio data | Masaki Oguro | 1997-07-08 |
| 5556461 | Method for producing a silicon single crystal by a float-zone method | Hirotoshi Yamagishi | 1996-09-17 |
| 5550354 | High-frequency induction heating coil | Hirotoshi Yamagishi | 1996-08-27 |
| 5297928 | Centrifugal compressor | Koichiro Imakiire, Keiichi Shiraishi, Masayoshi Tagawa | 1994-03-29 |
| 5258092 | Method of growing silicon monocrystalline rod | Hirotoshi Yamagishi, Hideo Arai | 1993-11-02 |
| 4955788 | Driving linkage device | Shigetoshi Narisue, Hiroshi Nakatomi, Eito Matsuo | 1990-09-11 |