Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886709 | Member for semiconductor apparatus | Akira Sasame, Hitoyuki Sakanoue, Hisao Takeuchi, Masaya Miyake, Yasuhisa Yushio | 1989-12-12 |
AY
Akira Yamakawa
Overall (1989): #134,260 of 140,708Top 100%
1
Patents 1989