Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9667346 | Optical transmission system, wavelength control method and node | Hirofumi Araki, Taku Saito, Yoshitaka Taki | 2017-05-30 |
| D556119 | Console for an automobile | Hideki Esaki, Aiji Shimizu, Itirou Mukai | 2007-11-27 |
| 7136584 | Optical output power automatic attenuation circuit for optical communication apparatus | Keisuke Harada, Yoshitaka Eguchi, Hiroshi Oikawa | 2006-11-14 |
| 6275667 | Image forming apparatus and image forming system | — | 2001-08-14 |
| 6233425 | Image forming apparatus including a device to sense whether media is copying-prohibited | Hiroshi Ohkubo | 2001-05-15 |
| 5864422 | Light amplifier device capable of suppressing light surge | Kazuya Amaki | 1999-01-26 |