Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12101075 | Piezoelectric device and manufacturing method of the same | Tetsuya Watanabe, Takahiro Ohtsuka, Kazuhiro Hirota, Yoshiro TESHIMA | 2024-09-24 |
| 10637437 | At-cut crystal element and crystal resonator | Hiroyuki Yamauchi, Shohei Takeda | 2020-04-28 |
| 10363521 | Filter device, control valve comprising the filter device, and fuel cell system | Tsuyoshi Takeda, Daisaku Inamura, Ichiro Okawara, Takatada Usami, Shinichiro Takemoto | 2019-07-30 |
| 9379401 | Fuel cell system and method for operating same | Shinichirou Takemoto, Ichiro Okawara, Shinichi Kitano, Michio Omata | 2016-06-28 |
| 8876929 | Filter device | Ichiro Okawara, Shinichi Kitano, Michio Omata, Shinichirou Takemoto | 2014-11-04 |
| 7126260 | Surface mount crystal unit | Kenzo Okamoto, Shuichi Mizusawa | 2006-10-24 |