Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839097 | Voltage-dependent non-linear resistance ceramic composition | Keiichi Noi, Kazuhide Ebine, Kimiko Kumazawa | 1989-06-13 |
AT
Akihiro Takami
Overall (1989): #134,354 of 140,708Top 100%
1
Patents 1989