Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099213 | Phase-locked oscillator with phase lock detection circuit | Shigeharu Sumi | 1992-03-24 |
| D303798 | Telephone set | — | 1989-10-03 |
KY
Kunio Yamakawa
Kanda Tushin Kogyo Co.: 1 patents #4 of 19Top 25%
Overall (All Time): #2,308,052 of 4,157,543Top 60%
2
Patents All Time