Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700312 | Quartz oscillator device | Minoru Iizuka, Hiroyuki Ishihara, Yoshikiyo Ogasawara, Akihiro Mori, Tatsuya Murakami | 2004-03-02 |
| 4385473 | Method for frequency regulation of tuning-fork vibrator | Shigeo Aoki, Shuzo Isogami, Junichi Tamamura, Tatsuo Nagayoshi, Masaru Yasui | 1983-05-31 |