Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11683019 | Surface acoustic wave device | Naoto Matsuoka, Makiko Nakamura | 2023-06-20 |
| 10714640 | Semiconductor stacked body, light-receiving element, and method for producing semiconductor stacked body | Takuma FUYUKI, Suguru Arikata, Katsushi Akita | 2020-07-14 |
| 10594110 | Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser | Kei Fujii, Toshiyuki Tanahashi, Takashi Ishizuka, Takamichi Sumitomo, Koji Nishizuka +1 more | 2020-03-17 |
| 10326034 | Semiconductor laminate and light-receiving element | Suguru Arikata, Takuma FUYUKI, Takashi Kyono, Katsushi Akita | 2019-06-18 |
| 9607905 | Method of measuring breakdown voltage of semiconductor element and method of manufacturing semiconductor element | Mitsuhiko Sakai | 2017-03-28 |
| 8605769 | Semiconductor laser device and manufacturing method thereof | Hideki Matsubara, Hirohisa Saitou, Takashi Misaki, Fumitake Nakanishi, Hiroki Mori | 2013-12-10 |
| 8547183 | Voltage controlled oscillator | Junichiro Yamakawa, Kazuo Akaike, Mikio Takano, Hiroshi Hoshigami, Kenji Kawahata +4 more | 2013-10-01 |
| 8421555 | Receiving side filter of duplexer and duplexer | — | 2013-04-16 |
| 8416028 | Voltage controlled oscillator and electronic component | Junichiro Yamakawa, Kazuo Akaike, Tatsunori Onzuka, Toshimasa Tsuda, Mikio Takano +1 more | 2013-04-09 |
| 8354895 | Duplexer including first and second additional grating reflectors | Toshihiko Kawamoto | 2013-01-15 |
| 8339217 | Low band side filter of duplexer, high band side filter of duplexer, and duplexer | Toshihiko Kawamoto | 2012-12-25 |
| 8093961 | Duplexer formed on piezoelectric substrate | Toshihiko Kawamoto | 2012-01-10 |
| 8012780 | Method of fabricating semiconductor laser | Hideki Matsubara | 2011-09-06 |
| 7692513 | Acoustic surface wave filter module and method of manufacturing the same | — | 2010-04-06 |
| 7687822 | Light emitting apparatus | Youichi Nagai, Makoto Kiyama, Takao Nakamura, Takashi Sakurada, Katsushi Akita +3 more | 2010-03-30 |
| 7501666 | Method for forming p-type semiconductor region, and semiconductor element | Keiichiro Tanabe | 2009-03-10 |
| 7202509 | Light emitting apparatus | Youichi Nagai, Makoto Kiyama, Takao Nakamura, Takashi Sakurada, Katsushi Akita +3 more | 2007-04-10 |
| 7190004 | Light emitting device | Youichi Nagai, Makoto Kiyama, Takao Nakamura, Takashi Sakurada, Katsushi Akita +3 more | 2007-03-13 |
| 6373167 | Surface acoustic wave filter | Yasushi Yamamoto | 2002-04-16 |
| 6177752 | Surface acoustic wave device and method of connecting surface acoustic wave filters | — | 2001-01-23 |
| 6049260 | Surface acoustic wave filter having parameters optimized to suppress spurious signals | Yasushi Yamamoto | 2000-04-11 |
| 6040651 | Surface acoustic wave device | Yasushi Yamamoto | 2000-03-21 |
| 6005326 | Surface acoustic wave device | Yasushi Yamamoto | 1999-12-21 |
| 5949307 | Surface acoustic wave device having two resonators with partially overlapping transducers | Yasushi Yamamoto | 1999-09-07 |
| 5856720 | Surface acoustic wave device | Yasushi Yamamoto | 1999-01-05 |