Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8682535 | Vehicle speed estimator and traction control device | Kazuhiro Hatake, Azumi Nomura | 2014-03-25 |
| 8598685 | GaN single crystal substrate and method of manufacturing thereof and GaN-based semiconductor device and method of manufacturing thereof | Shinsuke Fujiwara, Hideki Osada, Seiji Nakahata | 2013-12-03 |
| 8574364 | GaN-crystal free-standing substrate and method for producing the same | Shinsuke Fujiwara, Hitoshi Kasai, Takuji Okahisa | 2013-11-05 |
| 8538635 | Vehicle speed estimator and traction control device | Kazuhiro Hatake, Azumi Nomura | 2013-09-17 |
| 8524575 | Group III nitride crystal and method for producing the same | Hideki Osada, Seiji Nakahata, Shinsuke Fujiwara | 2013-09-03 |
| 8504254 | Traction control apparatus | Kazuhiro Hatake | 2013-08-06 |
| 8497185 | Method of manufacturing semiconductor wafer, and composite base and composite substrate for use in that method | Yuki Seki, Issei Satoh, Yoshiyuki Yamamoto | 2013-07-30 |
| 8463511 | Traction control device | Kazuhiro Hatake, Yuya Kusumoto | 2013-06-11 |
| 8404042 | Group-III nitride crystal composite | Naho Mizuhara, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata, Seiji Nakahata +1 more | 2013-03-26 |
| 8404569 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Hideyuki Ijiri +4 more | 2013-03-26 |
| 8362521 | III nitride semiconductor crystal, III nitride semiconductor device, and light emitting device | Seiji Nakahata, Hideaki Nakahata, Makoto Kiyama, Youichi Nagai, Takao Nakamura | 2013-01-29 |
| 8352145 | Traction control device | Kazuhiro Hatake, Yuya Kusumoto | 2013-01-08 |
| 8310030 | III-nitride crystal substrate and III-nitride semiconductor device | Ryu Hirota, Tomohiro Kawase | 2012-11-13 |
| 8304334 | III-V compound crystal and semiconductor electronic circuit element | Seiji Nakahata, Ryu Hirota | 2012-11-06 |
| 8258051 | Method of manufacturing III-nitride crystal, and semiconductor device utilizing the crystal | Naho Mizuhara, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata, Seiji Nakahata +1 more | 2012-09-04 |
| 8253162 | GaN substrate and light-emitting device | Shinsuke Fujiwara, Toshihiro Kotani, Fumitake Nakanishi, Seiji Nakahata | 2012-08-28 |
| 8147612 | Method for manufacturing gallium nitride crystal and gallium nitride wafer | Tomoki Uemura, Takashi Sakurada, Shinsuke Fujiwara, Takuji Okahisa, Hideaki Nakahata | 2012-04-03 |
| 8134223 | III-V compound crystal and semiconductor electronic circuit element | Seiji Nakahata, Ryu Hirota | 2012-03-13 |
| 8097528 | Manufacturing method of nitride substrate, nitride substrate, and nitride-based semiconductor device | Takuji Okahisa, Hideaki Nakahata | 2012-01-17 |
| 8014927 | Antilock brake system control device and method | — | 2011-09-06 |
| 7998847 | III-nitride crystal manufacturing method, III-nitride crystal substrate, and III-nitride semiconductor device | Ryu Hirota, Tomohiro Kawase | 2011-08-16 |
| 7943964 | AlxGayIn1−x−yN crystal substrate, semiconductor device, and method of manufacturing the same | Shinsuke Fujiwara, Tomoki Uemura, Takuji Okahisa, Manabu Okui, Muneyuki Nishioka +1 more | 2011-05-17 |
| 7892513 | Group III nitride crystal and method of its growth | Shinsuke Fujiwara, Hiroaki Yoshida, Ryu Hirota, Haruko Tanaka | 2011-02-22 |
| 7869927 | Retarder control device for working vehicle | — | 2011-01-11 |
| 7858502 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Hideyuki Ijiri +4 more | 2010-12-28 |