Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485635 | Hydrogen generator | Tatsuya Kawamoto, Yoshiro Nitta, Shinya Kawahara | 2022-11-01 |
| 9368796 | Graphite material, carbon material for battery electrode, and battery | Yasuaki Wakizaka, Yuuichi Kamijou, Masataka Takeuchi, Takayuki Fukai, Chiaki Sotowa +1 more | 2016-06-14 |
| 9337801 | Vibration element, vibrator, oscillator, electronic apparatus, and moving object | Masayuki Kikushima, Naohisa Obata, Yukihiro Unno | 2016-05-10 |
| 9143113 | Resonator element, resonator, oscillator, electronic apparatus, and moving object | Naohisa Obata, Masayuki Kikushima | 2015-09-22 |
| 9070863 | Resonator element, resonator, oscillator, electronic apparatus, and moving object | Masayuki Kikushima, Naohisa Obata, Yukihiro Unno | 2015-06-30 |
| 9035709 | Vibration element, vibrator, oscillator, electronic apparatus, and moving object | Masayuki Kikushima, Naohisa Obata, Yukihiro Unno | 2015-05-19 |
| 8920765 | Graphite material, method for producing same, carbon material for battery electrodes, and battery | Akinori Sudoh, Yuuichi Kamijou, Tomohiro Abe | 2014-12-30 |
| 8588429 | Sound device and sound control device | — | 2013-11-19 |
| 8273683 | Active carbon, production method thereof and polarizable electrode | — | 2012-09-25 |
| 7923411 | Activated carbon material, and production method and use thereof | Yasuo Saito | 2011-04-12 |
| 7802475 | Acceleration sensor | Ryuta Nishizawa | 2010-09-28 |
| 7691782 | Active carbon, production method thereof and polarizable electrode | — | 2010-04-06 |
| 7608986 | Quartz crystal resonator | Yook-Kong Yong, Mihir S. Patel | 2009-10-27 |
| 7571648 | Piezoelectric vibration angular velocity sensor | Yook-Kong Yong, Mihir S. Patel, Shigeo Kanna | 2009-08-11 |
| 7423363 | Piezoelectric vibrating element and piezoelectric vibrator | Shigeru Shiraishi | 2008-09-09 |
| 7368857 | Piezoelectric resonator element, piezoelectric, resonator, and piezoelectric oscillator | — | 2008-05-06 |
| 7365477 | Piezoelectric vibrating element and piezoelectric vibrator | — | 2008-04-29 |
| 7305720 | Toilet seat device | Yoshifumi Makino, Hideki Furukawa, Sachiyo Nakayama, Naoko Nawatani, Kumi Ito +1 more | 2007-12-11 |
| 7301258 | Piezoelectric resonator element, piezoelectric resonator, and piezoelectric oscillator | — | 2007-11-27 |
| 7232790 | Activated carbon, method for production thereof and use thereof | Yasuo Saito | 2007-06-19 |
| 7157983 | Cut of piezoelectric oscillator, piezoelectric oscillator, and piezoelectric device | — | 2007-01-02 |
| 6849991 | Quartz resonating piece, quartz resonator, and quartz device | Guoqing Zhang, Eiji Karaki, Yukihiro Unno | 2005-02-01 |
| 6531807 | Piezoelectric device | Takashi Endo | 2003-03-11 |