Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7865085 | Optical transmitting device, optical transmission system, optical transmitting method and optical transmission method | Satoshi Ikeda | 2011-01-04 |
| 7444084 | Optical signal receiver, optical signal receiving equipment, and optical signal transmitting system | — | 2008-10-28 |
| 7391978 | Optical signal transmitter and optical signal transmission system | — | 2008-06-24 |
| 7248803 | Wavelength multiplex transmission systems | — | 2007-07-24 |
| 5973820 | FM modulation device | Masaru Fuse, Kuniaki Utsumi, Seiichiro Kawashima | 1999-10-26 |
| 5923458 | Frequency modulator | Masaru Fuse, Katsuyuki Fujito | 1999-07-13 |
| 5896216 | AM/PM converter and optical signal transmission system | Nori Shibata, Kouichi Suto, Katsushi Iwashita, Satoshi Ikeda, Hiroshi Nakamoto +3 more | 1999-04-20 |