Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10476435 | Crystal oscillator, crystal resonator controlling method, and crystal resonator controlling device | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2019-11-12 |
| 10355640 | Crystal oscillator device and method of measuring crystal oscillator characteristic | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2019-07-16 |
| 10355641 | Crystal oscillator device and method of measuring crystal oscillator characteristic | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2019-07-16 |
| 10340850 | Crystal oscillator device and method of measuring crystal oscillator characteristic | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2019-07-02 |
| 10333480 | Crystal oscillator device and method of measuring crystal oscillator characteristic | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2019-06-25 |
| 10267755 | Method for inspecting crystal unit by analyzing frequency characteristics of impedance | Hajime Kubota, Masayuki Itoh | 2019-04-23 |
| 10256771 | Crystal oscillator device and method of measuring crystal oscillator characteristic | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2019-04-09 |