Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670868 | Low-constant voltage supply circuit | Osamu Yumoto, Masaharu Hata, Hironori Saito, Teruhisa Azumaguchi | 1997-09-23 |
| 5479288 | Light transmission module | Kohei Ishizuka, Masaya Nakata, Teruhisa Azumaguchi, Junji Takeda, Hiroki Irie +3 more | 1995-12-26 |