Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372040 | Single crystal growth apparatus and single crystal growth method | — | 2002-04-16 |
| 6120749 | Silicon single crystal with no crystal defect in peripheral part of wafer and process for producing the same | Kiyotaka Takano, Makoto Iida, Eiichi Iino, Masanori Kimura | 2000-09-19 |
| 6117234 | Single crystal growing apparatus and single crystal growing method | — | 2000-09-12 |
| 6113686 | Single crystal growing method and apparatus | Eiichi Iino, Yasushi Nakamura, Seiichiro Otsuka, Koji Midzuishi, Masanori Kimura | 2000-09-05 |
| 5980630 | Manufacturing method of single crystal and apparatus of manufacturing the same | Eiichi Iino, Kiyotaka Takano, Masanori Kimura | 1999-11-09 |
| 5871583 | Apparatus for producing silicon single crystal | Kiyotaka Takano, Izumi Fusegawa | 1999-02-16 |
| 5843229 | Crystal holding apparatus | Masanori Kimura, Eiichi Iino, Kiyotaka Takano | 1998-12-01 |
| 5834322 | Heat treatment of Si single crystal | Izumi Fusegawa, Nobuyoshi Fujimaki, Yukio Karasawa | 1998-11-10 |
| 5792255 | Manufacturing method of single crystal | Eiichi Iino, Kiyotaka Takano, Masanori Kimura | 1998-08-11 |
| 5792258 | High-frequency induction heater and method of producing semiconductor single crystal using the same | Masanori Kimura, Ken Yoshizawa, Teruaki Fukami | 1998-08-11 |
| 5788718 | Apparatus and a method for growing a single crystal | Kiyotaka Takano, Eiichi Iino, Masanori Kimura | 1998-08-04 |
| 5785758 | Single crystal growing apparatus | Kiyotaka Takano, Masanori Kimura | 1998-07-28 |
| 5735951 | Single crystal pulling apparatus | Eiichi Iino, Kiyotaka Takano, Masanori Kimura, Koji Mizuishi | 1998-04-07 |
| 5728211 | Silicon single crystal with low defect density and method of producing same | Kiyotaka Takano, Kouji Kitagawa, Eiichi Iino, Masanori Kimura, Masahiro Sakurada | 1998-03-17 |
| 5720809 | Crucible for pulling silicon single crystal | Eiichi Iino, Kiyotaka Takano, Izumi Fusegawa | 1998-02-24 |
| 5688319 | Method for testing electrical properties of silicon single crystal | Izumi Fusegawa, Nobuyoshi Fujimaki, Yukio Karasawa | 1997-11-18 |
| 5688321 | Apparatus for producing a silicon single crystal by a float-zone method | Masanori Kimura | 1997-11-18 |
| 5667584 | Method for the preparation of a single crystal of silicon with decreased crystal defects | Kiyotaka Takano, Eiichi Iino, Masahiro Sakurada | 1997-09-16 |
| 5667588 | Single crystal pulling apparatus | Eiichi Iino, Kiyataka Takano, Masanori Kimura, Koji Mizuishi | 1997-09-16 |
| 5556461 | Method for producing a silicon single crystal by a float-zone method | Masanori Kimura | 1996-09-17 |
| 5550354 | High-frequency induction heating coil | Masanori Kimura | 1996-08-27 |
| 5534112 | Method for testing electrical properties of silicon single crystal | Izumi Fusegawa, Nobuyoshi Fujimaki, Yukio Karasawa | 1996-07-09 |
| 5501172 | Method of growing silicon single crystals | Toshinari Murai, Eiichi Iino, Hideo Arai, Izumi Fusegawa | 1996-03-26 |
| 5462010 | Apparatus for supplying granular raw material for a semiconductor single crystal pulling apparatus | Kiyotaka Takano, Izumi Fusegawa, Koji Mizuishi, Katsuhiko Ogino | 1995-10-31 |
| 5386796 | Method for testing quality of silicon wafer | Izumi Fusegawa, Nobuyoshi Fujimaki, Yukio Karasawa | 1995-02-07 |