Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840853 | Surface structure of AlN substrate and a process for producing the same | Akiyasu Okuno | 1989-06-20 |
SI
Satoshi Iio
Overall (1989): #59,409 of 140,708Top 45%
1
Patents 1989