Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186010 | Bolt for ultrasonic axial tension measurement | Tomoji Sakai, Tatsuyuki Aoki | 2001-02-13 |
| 4507687 | Horizontal sync pulse control circuit for video tape recorder utilizing pulse code modulation | Yutaka Hirota | 1985-03-26 |