Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594406 | Zinc oxide varistor and process for the production thereof | Naoki Mutoh, Masaaki Katsumata | 1997-01-14 |
KK
Kazushige Koyama
Overall (1997): #122,809 of 185,788Top 70%
1
Patents 1997