Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864259 | Ladder-type electric filter circuit apparatus | Kenji Takamoro, Tatsuo Ogawa, Yasuhiko Nakagawa | 1989-09-05 |
KM
Kenji Mizoe
Nec: 1 patents #128 of 619Top 25%
Overall (1989): #88,189 of 140,708Top 65%
1
Patents 1989