Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644672 | Crystal unit and method of adjusting crystal unit | Hajime Kubota, Masayuki Itoh | 2020-05-05 |
| 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 |
| 10090110 | Crystal unit and method of adjusting crystal unit | Hajime Kubota, Masayuki Itoh | 2018-10-02 |
| 9929692 | Crystal unit, oscillator, and method for fabricating the crystal unit | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2018-03-27 |
| 9921257 | Crystal unit | Hajime Kubota, Masayuki Itoh | 2018-03-20 |
| 9853627 | Crystal resonator, and production method therefor | Hajime Kubota, Masayuki Itoh | 2017-12-26 |
| 9778096 | Method of measuring characteristics of crystal unit | Hajime Kubota, Masayuki Itoh | 2017-10-03 |
| 9774296 | Crystal unit, oscillator, and method for fabricating the crystal unit | Hajime Kubota, Masayuki Itoh, Yoshinori Mesaki | 2017-09-26 |
| 9464943 | Temperature sensor and temperature compensation oscillator | Masayuki Itoh | 2016-10-11 |
| 9410997 | Crystal unit and method of measuring characteristics of the crystal unit | Masaru Itoh, Masayuki Itoh | 2016-08-09 |
| 9287843 | Method of fabricating crystal unit, crystal unit fabrication mask, and crystal unit package | Hajime Kubota, Masayuki Itoh | 2016-03-15 |
| 9209781 | Oscillator device and method of mounting oscillator device | Hajime Kubota, Masayuki Itoh | 2015-12-08 |
| 9054311 | Electronic device and method of manufacturing the same | Hajime Kubota, Masayuki Itoh | 2015-06-09 |
| 9024695 | Oscillator | — | 2015-05-05 |
| 8968498 | Crystal-oscillator fabricating apparatus and method | Hajime Kubota, Masayuki Itoh | 2015-03-03 |
| 8859334 | Electronic device manufacturing method and chip assembly | Hajime Kubota, Masayuki Itoh | 2014-10-14 |
| 8762765 | Electronic apparatus, clock apparatus, and clock control apparatus | — | 2014-06-24 |
| 8729777 | Piezoelectric oscillator | Hajime Kubota, Masayuki Itoh | 2014-05-20 |
| 8723391 | Tuning fork vibrator with support arms extending obliquely from the base | Hajime Kubota, Masayuki Itoh | 2014-05-13 |