Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468989 | Semiconductor integrated circuit device having an improved vertical bipolar transistor structure | Hirotaka Nishizawa, Seiichiro Azuma, Kazuaki Ootoshi, Shuji Kawata, Osamu Kasahara +1 more | 1995-11-21 |