Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839097 | Voltage-dependent non-linear resistance ceramic composition | Keiichi Noi, Akihiro Takami, Kazuhide Ebine | 1989-06-13 |
KK
Kimiko Kumazawa
Overall (1989): #87,143 of 140,708Top 65%
1
Patents 1989