Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293986 | Method of making a quartz crystal oscillator | Masatoshi Kobayashi, Yukio Hara, Hiroyuki Fujii | 1981-10-13 |
| 4288284 | Method of producing housing element for quartz crystal oscillator | Masatoshi Kobayashi, Yukio Hara, Hiroyuki Fujii | 1981-09-08 |