Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8691674 | Method for producing group 3-5 nitride semiconductor and method for producing light-emitting device | Sadanori Yamanaka, Kazumasa Ueda | 2014-04-08 |
| 8053811 | Group 3-5 nitride semiconductor multilayer substrate, method for manufacturing group 3-5 nitride semiconductor free-standing subtrate, and semiconductor element | Kazumasa Hiramatsu, Hideto Miyake, Yoshinobu Ono, Naohiro Nishikawa | 2011-11-08 |
| 7956366 | Monolithic light emitting device and driving method therefor | Yuichi Hiroyama, Masahiko Hata | 2011-06-07 |
| 7754515 | Compound semiconductor and method for producing same | Masaya Shimizu, Makoto Sasaki | 2010-07-13 |
| 7459326 | Method for producing and epitaxial substrate for compound semiconductor light-emitting device | Sadanori Yamanaka, Yoshinobu Ono, Yasushi Iyechika | 2008-12-02 |
| 7229493 | 3-5 group compound semiconductor, process for producing the same, and compound semiconductor element using the same | Yoshinobu Ono | 2007-06-12 |
| 7205577 | Group 3-5 compound semiconductor and light emitting diode | Yasushi Iyechika, Yoshinobu Ono, Masaya Shimizu | 2007-04-17 |
| 7098484 | Epitaxial substrate for compound semiconductor light-emitting device, method for producing the same and light-emitting device | Sadanori Yamanaka, Yoshinobu Ono, Yasushi Iyechika | 2006-08-29 |
| 6875273 | Method and system for manufacturing III-V Group compound semiconductor and III-V Group compound semiconductor | Toshihisa Katamine, Yasushi Iyechika, Tomoyuki Takada, Masaya Shimizu | 2005-04-05 |
| 6806502 | 3-5 Group compound semiconductor and light emitting device | Yasushi Iyechika, Yasuyuki Kurita | 2004-10-19 |