Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866016 | Alumina-based ceramic composition | Masaaki Ito, Fumio Mizuno | 1989-09-12 |
MA
Minato Ando
Overall (1989): #77,595 of 140,708Top 60%
1
Patents 1989