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, Kimiko Kumazawa | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839097 | Voltage-dependent non-linear resistance ceramic composition | Keiichi Noi, Akihiro Takami, Kimiko Kumazawa | 1989-06-13 |