Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175707 | P-type GaAs single crystal and its production method | Kenya Itani, Masaya Ohnishi, Shinji Komata | 2007-02-13 |
| 6878202 | Method for growing single crystal of compound semiconductor and substrate cut out therefrom | Masaya Ohnishi, Kenya Itani, Hiroshi Sasabe, Inao Fujisaki | 2005-04-12 |
| 6413791 | Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance | Yukiya Shibata, Toshiya Toyoshima | 2002-07-02 |
| 6409831 | Apparatus for fabricating single crystal | Kenya Itani, Michinori Wachi | 2002-06-25 |
| 6290773 | Method and apparatus for fabricating single crystal | Kenya Itani, Michinori Wachi | 2001-09-18 |
| 6043509 | Light-emitting diode having moisture-proof characteristics and high output power | Tooru Kurihara, Toshiya Toyoshima, Masahiro Noguchi | 2000-03-28 |
| 5965908 | Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance | Yukiya Shibata, Toshiya Toyoshima | 1999-10-12 |
| 5888843 | Method for making light-emitting diode having improved moisture resistance characteristics | Tooru Kurihara, Toshiya Toyoshima, Masahiro Noguchi | 1999-03-30 |
| 5007979 | Method of fabricating GaAs single crystal | Akio Hattori, Tooru Kurihara, Seigi Aoyama, Konichi Nakamura | 1991-04-16 |
| 4483735 | Manufacturing process of semi-insulating gallium arsenide single crystal | Tomoki Inada, Toshiya Toyoshima, Masashi Fukumoto, Junkichi Nakagawa | 1984-11-20 |