Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266814 | Optically activated resonant-tunneling transistor | Shunichi Muto | 1993-11-30 |
| 5216261 | Non-linear optical device having an improved rate for recovery | Shunichi Muto | 1993-06-01 |
| 4929984 | Resonant tunnelling barrier structure device | Shunichi Muto, Atsushi Takeuchi, Yoshihiro Sugiyama | 1990-05-29 |
| 4825264 | Resonant tunneling semiconductor device | Shunichi Muto, Toshio Fujii | 1989-04-25 |
| 4593301 | High electron mobility semiconductor device employing selectively doped heterojunction and dual, undoped spacer layers | Shigehiko Sasa | 1986-06-03 |