Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42279 | Method of preparing a compound semiconductor crystal | Tomohiro Kawase, Shinichi Sawada | 2011-04-12 |
| RE41551 | Method of preparing group III-V compound semiconductor crystal | Tomohiro Kawase | 2010-08-24 |
| RE40662 | Method of preparing a compound semiconductor crystal | Tomohiro Kawase, Shinichi Sawada | 2009-03-17 |
| 7468529 | Porous UV-emitting semiconductor on porous substrate as sterilizing filter made by filtering suspended semiconductor particles | Chihiro Kawai | 2008-12-23 |
| RE39778 | Method of preparing group III-V compound semiconductor crystal | Tomohiro Kawase | 2007-08-21 |
| 6866714 | Large size semiconductor crystal with low dislocation density | Tomohiro Kawase, Katsushi Hashio, Shin-ichi Sawada | 2005-03-15 |
| 6780244 | Method for producing a semiconductor crystal | Tomohiro Kawase, Katsushi Hashio, Shin-ichi Sawada | 2004-08-24 |
| 6572700 | Semiconductor crystal, and method and apparatus of production thereof | Tomohiro Kawase, Katsushi Hashio, Shin-ichi Sawada | 2003-06-03 |
| 6485563 | Method of preparing a compound semiconductor crystal | Tomohiro Kawase, Shinichi Sawada | 2002-11-26 |
| 6475277 | Group III-V nitride semiconductor growth method and vapor phase growth apparatus | Ryu Hirota | 2002-11-05 |
| 6273947 | Method of preparing a compound semiconductor crystal | Tomohiro Kawase, Shinichi Sawada | 2001-08-14 |
| 6254677 | Semiconductor crystal, and method and apparatus of production thereof | Katsushi Hashio, Shin-ichi Sawada | 2001-07-03 |
| 6136093 | Method of making GaN single crystal and apparatus for making GaN single crystal | Hiromu Shiomi, Shigehiro Nishino | 2000-10-24 |
| 6007622 | Method of preparing group III-V compound semiconductor crystal | Tomohiro Kawase | 1999-12-28 |
| 5951758 | Method and apparatus for the growth of a single crystal | Katsushi Hashio, Shin-ichi Sawada | 1999-09-14 |
| 5830269 | Method of preparing group II-VI or III-V compound single crystal | Tomohiro Kawase, Yoshihiro Wakayama | 1998-11-03 |
| 5733371 | Apparatus for growing a single crystal | Katsushi Hashio, Shin-ichi Sawada | 1998-03-31 |
| 5429067 | Czochralski method using a member for intercepting radiation from a raw material molten solution | Shin-ichi Sawada | 1995-07-04 |
| 5292487 | Czochralski method using a member for intercepting radiation from raw material molten solution and apparatus therefor | Shin-ichi Sawada | 1994-03-08 |
| 5290395 | Method of and apparatus for preparing single crystal | Kazuhisa Matsumoto, Tomohiro Kawase | 1994-03-01 |
| 5256381 | Apparatus for growing single crystals of III-V compound semiconductors | Koji Tada | 1993-10-26 |
| 5145550 | Process and apparatus for growing single crystals of III-V compound semiconductor | Koji Tada | 1992-09-08 |
| 4994437 | Method of manufacturing oxide superconducting films by peritectic reaction | Yasuko Torii, Yasuo Namikawa | 1991-02-19 |
| 4678534 | Method for growing a single crystal | Koji Tada, Toshihiro Kotani, Shinichi Sawada | 1987-07-07 |
| 4634490 | Method of monitoring single crystal during growth | Shin-ichi Sawada, Ryusuke Nakai | 1987-01-06 |