Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876224 | Silicon wafer for a semiconductor substrate and the method for making the same | — | 1989-10-24 |
KK
Kenji Kusakabe
Overall (1989): #88,405 of 140,708Top 65%
1
Patents 1989