Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781202 | Semiconductor devices and their fabrication methods | Ken Yamaguchi, Kenichi Osada, Masatada Horiuchi, Takashi Uchino | 2004-08-24 |
| 5233205 | Quantum wave circuit | Toshiyuki Usagawa, Shirun Ho, Ken Yamaguchi | 1993-08-03 |
| 5042027 | Communication network system and method of controlling a communication network | Akihiko Takase, Masahiro Takatori, Naoya Kobayashi, Yasushi Sawada, Yukio Nakano +3 more | 1991-08-20 |