Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9761686 | Semiconductor wafer, method of producing semiconductor wafer, and heterojunction bipolar transistor | Naohiro Nishikawa, Tsuyoshi Nakano | 2017-09-12 |
| 8901605 | Semiconductor wafer, semiconductor device, and method of producing semiconductor wafer | Tomoyuki Takada, Masao Shimada, Masahiko Hata, Taro Itatani, Hiroyuki Ishii +1 more | 2014-12-02 |
| 8890213 | Semiconductor wafer, electronic device, a method of producing semiconductor wafer, and method of producing electronic device | Masahiko Hata, Noboru Fukuhara | 2014-11-18 |
| 8878250 | Electronic device and method for producing electronic device | Masahiko Hata, Tomoyuki Takada, Kazuhiko Honjo | 2014-11-04 |
| 8835906 | Sensor, semiconductor wafer, and method of producing semiconductor wafer | Masahiko Hata, Tomoyuki Takada, Taro Itatani | 2014-09-16 |
| 8823141 | Semiconductor wafer, method of producing semiconductor wafer, electronic device, and method of producing electronic device | Tomoyuki Takada, Masahiko Hata | 2014-09-02 |
| 8809908 | Semiconductor wafer, semiconductor wafer manufacturing method, and electronic device | Tomoyuki Takada, Masahiko Hata | 2014-08-19 |
| 8772830 | Semiconductor wafer including lattice matched or pseudo-lattice matched buffer and GE layers, and electronic device | Tomoyuki Takada, Masahiko Hata | 2014-07-08 |
| 8729677 | Semiconductor substrate, electronic device and method for manufacturing semiconductor substrate | Masahiko Hata, Tomoyuki Takada | 2014-05-20 |
| 8716836 | Semiconductor wafer, semiconductor wafer manufacturing method, and electronic device | Tomoyuki Takada, Masahiko Hata, Taketsugu Yamamoto, Kazumi Wada | 2014-05-06 |
| 8691674 | Method for producing group 3-5 nitride semiconductor and method for producing light-emitting device | Kazumasa Ueda, Yoshihiko Tsuchida | 2014-04-08 |
| 8633496 | Optical device and semiconductor wafer | Masahiko Hata, Tomoyuki Takada | 2014-01-21 |
| 8507952 | Semiconductor wafer, semiconductor device, and method for producing semiconductor wafer | Tomoyuki Takada, Masahiko Hata | 2013-08-13 |
| 8097887 | Light emitting device having a monotone decreasing function | Yoshinobu Ono, Kazumasa Ueda | 2012-01-17 |
| 7897993 | GaN based luminescent device on a metal substrate | Yoshinobu Ono | 2011-03-01 |
| 7459326 | Method for producing and epitaxial substrate for compound semiconductor light-emitting device | Yoshihiko Tsuchida, Yoshinobu Ono, Yasushi Iyechika | 2008-12-02 |
| 7098484 | Epitaxial substrate for compound semiconductor light-emitting device, method for producing the same and light-emitting device | Yoshihiko Tsuchida, Yoshinobu Ono, Yasushi Iyechika | 2006-08-29 |
| 6756086 | Method for the fabrication of a diamond semiconductor | Masataka Hasegawa, Masahiko Ogura, Daisuke Takeuchi, Hideyo Okushi, Naoto Kobayashi | 2004-06-29 |
| 6727171 | Diamond pn junction diode and method for the fabrication thereof | Daisuke Takeuchi, Hideyuki Watanabe, Hideyo Okushi, Masataka Hasegawa, Masahiko Ogura +2 more | 2004-04-27 |