Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11277115 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Takashi Hase, Takeshi Kamada, Hiroaki Kaida, Shigeaki Sugimura | 2022-03-15 |
| 11139796 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Takashi Hase, Takeshi Kamada, Hiroaki Kaida, Shigeaki Sugimura | 2021-10-05 |
| 11075615 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Takashi Hase, Takeshi Kamada, Hiroaki Kaida, Shigeaki Sugimura | 2021-07-27 |
| 11038485 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Takashi Hase, Takeshi Kamada, Hiroaki Kaida, Shigeaki Sugimura | 2021-06-15 |