Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8159166 | Motor drive circuit and electric power steering apparatus | — | 2012-04-17 |
| 7910940 | Semiconductor light-emitting device | Masaaki Suzuki, Tadaaki Ikeda, Hideo Nagai | 2011-03-22 |
| 7470608 | Semiconductor light emitting device and fabrication method thereof | Akihiko Ishibashi, Toshiya Yokogawa, Kiyoshi Ohnaka | 2008-12-30 |
| 7439552 | Semiconductor light-emitting device and method for fabricating the same | Shinichi Takigawa, Daisuke Ueda | 2008-10-21 |
| 7362935 | Dual wavelength semiconductor laser source for optical pickup | Kenichi Matsuda | 2008-04-22 |
| 7147094 | Drive power transmission control device | Hisaaki Wakao, Tatsuya Inagaki, Yutaka Mori | 2006-12-12 |
| 7030417 | Semiconductor light emitting device and fabrication method thereof | Akihiko Ishibashi, Toshiya Yokogawa, Kiyoshi Ohnaka | 2006-04-18 |
| 6941046 | Dual wavelength semiconductor laser source for optical pickup | Kenichi Matsuda | 2005-09-06 |
| 6582119 | Wire breaking detection method for temperature sensor and temperature sensing apparatus for using the method | Yutaka Mori, Yukihiko Kanayama, Fukami Imai, Yoshiyuki Shibata, Yasushi Yamada | 2003-06-24 |
| 5196370 | Method of manufacturing an arsenic-including compound semiconductor device | Katsushi Tara, Toshiharu Tambo, Kaname Motoyoshi, Hidetaka HASHIMOTO, Shotaro Umebachi | 1993-03-23 |
| 4965644 | Pure green light emitting diodes and method of manufacturing the same | Toshiharu Kawabata, Toshio Matsuda, Hitoo Iwasa | 1990-10-23 |
| 4671829 | Manufacturing green light emitting diodes | Toshiharu Kawabata, Toshio Matsuda, Hitoo Iwasa | 1987-06-09 |
| 4354453 | Substrate holder for liquid phase epitaxial growth | Hitoo Iwasa | 1982-10-19 |
| 4300960 | Method of making a light emitting diode | Hitoo Iwasa | 1981-11-17 |
| 4268327 | Method for growing semiconductor epitaxial layers | Tamotsu Uragaki, Morio Inoue, Hitoo Iwasa | 1981-05-19 |
| 4256520 | Etching of gallium stains in liquid phase epitoxy | Toshio Matsuda, Hitoo Iwasa | 1981-03-17 |
| 4193080 | Non-volatile memory device | Ginjiro Kambara, Toshio Matsuda | 1980-03-11 |