Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468989 | Semiconductor integrated circuit device having an improved vertical bipolar transistor structure | Hirotaka Nishizawa, Kazuaki Ootoshi, Masataka Miyama, Shuji Kawata, Osamu Kasahara +1 more | 1995-11-21 |
| 5342480 | Method of manufacturing a semiconductor integrated circuit device | Hirotaka Nishizawa, Takayuki Yoshitake, Kazuo Tanaka, Mikinori Kawaji, Sinmei Hirano +2 more | 1994-08-30 |