Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7034568 | Logic circuit | Hiroki Yamashita, Akio Koyama, Atsushi Itoh, Masahito Sonehara | 2006-04-25 |
| 5872471 | Simultaneous bidirectional transmission circuit | Kenichi Ishibashi, Takehisa Hayashi, Tsutomu Goto, Akira Yamagiwa, Toshitsugu Takekuma +1 more | 1999-02-16 |