Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9553711 | Base station and cell assignment method | Takeshi Yamana, Masahiro Oosugi | 2017-01-24 |
| 9106200 | Piezoelectric vibrating piece and piezoelectric device | Takehiro Takahashi, Shuichi Mizusawa, Hiroaki Yamada, Takumi Ariji | 2015-08-11 |
| 9041271 | Crystal device | Takumi Ariji, Takehiro Takahashi | 2015-05-26 |
| 8779652 | At-cut quartz-crystal vibrating pieces and devices, and methods for manufacturing same | Shuichi Mizusawa, Takehiro Takahashi, Kunio Morita | 2014-07-15 |
| 8686803 | Crystal device and manufacturing method thereof | Takumi Ariji, Takehiro Takahashi | 2014-04-01 |
| 7915791 | Quartz crystal device accomodating crystal blanks of multiple shapes and sizes | Katsunori Akane | 2011-03-29 |
| 7482735 | Crystal oscillator | Hidesada Takahashi | 2009-01-27 |
| 6767840 | Wafer processing apparatus, wafer processing method, and semiconductor substrate fabrication method | Fumio Uehara, Kiyofumi Sakaguchi, Kazutaka Yanagita | 2004-07-27 |
| 6199563 | Wafer processing apparatus, wafer processing method, and semiconductor substrate fabrication method | Fumio Uehara, Kiyofumi Sakaguchi, Kazutaka Yanagita | 2001-03-13 |