Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904951 | Casting device for metal products | Tomiyuki Murayama, Yukinao Demachi | 2005-06-14 |
| 4354124 | Digital phase comparator circuit | Takeshi Shima | 1982-10-12 |
| 4315165 | Frequency divider | Shyoichi Shimizu | 1982-02-09 |
| 4271531 | Frequency synthesizer | Takeshi Shima | 1981-06-02 |