Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829032 | Dielectric ceramic composition | Mizuno Fumio | 1989-05-09 |
IK
Ito Kenji
Overall (1989): #38,605 of 140,708Top 30%
1
Patents 1989