Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812669 | Harmonic suppressing device | Masatoshi Takeda, Kazuo Ikeda, Kenji Mori | 1989-03-14 |
YT
Yoshiharu Tominaga
Overall (1989): #40,116 of 140,708Top 30%
1
Patents 1989