Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7372881 | Semiconductor laser wavelength control device | Izumi Kawata, Zhigang Peng | 2008-05-13 |
| 6311124 | Device, method and system for selecting emergency vehicles | Koichi Maeda | 2001-10-30 |
| 5694284 | Discharge type surge absorbing element and method for making the same | Seiichiro Oda, Junichi Ida, Yoshito Kasai | 1997-12-02 |