Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223772 | Clock supply device and transmission device | Takashi Nakajima, Akio Morimoto, Tatsuru Iwaoka | 2012-07-17 |
| 7676693 | Method and apparatus for monitoring power failure | Hiroshi Otsuka, Koji Kurihara | 2010-03-09 |