Issued Patents 2011
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023775 | Super flat optical frequency comb signal generator | Takahide Sakamoto, Masahiro Tsuchiya, Masayuki Izutsu | 2011-09-20 |
| 8014684 | Modulation light signal generating device and FSK modulation signal generating device | Hiroshi Harada, Masayuki Izutsu | 2011-09-06 |
| 8005371 | Multi-wavelength signal generation device and multi-wavelength light generation method | Masayuki Izutsu | 2011-08-23 |
| 7991298 | DSB-SC modulation system capable of erasing carrier and secondary component | Masayuki Izutsu, Takahide Sakamoto, Masahiro Tsuchiya | 2011-08-02 |
| 7986452 | High-speed multiplied signal generating method and device | Takahide Sakamoto, Masahiro Tsuchiya | 2011-07-26 |
| 7962039 | Multiple wavelength light source, and generation method for multiple wavelength light | Masayuki Izutsu | 2011-06-14 |
| 7957653 | Phase control optical FSK modulator | Masayuki Izutsu, Takahide Sakamoto, Masahiro Tsuchiya | 2011-06-07 |
| 7957652 | Optical FSK/SSB modulator having intensity balance function | Masayuki Izutsu, Takahide Sakamoto, Masahiro Tsuchiya | 2011-06-07 |
| 7936996 | Automatic adjusting system of frequency shift keying modulator | Masayuki Izutsu, Takahide Sakamoto, Masahiro Tsuchiya | 2011-05-03 |
| 7864330 | Method and device for calibrating a light intensity measurement device | Masayuki Izutsu, Takahide Sakamoto, Masahiro Tsuchiya | 2011-01-04 |