Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656841 | Semiconductor device with contact hole | Hirofumi Watanabe, Kaihei Isshiki, Tetsurou Tanigawa, Yasuyuki Shindou | 1997-08-12 |
KH
Katsunari Hanaoka
Overall (1997): #123,433 of 185,788Top 70%
1
Patents 1997