Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9461542 | Power supply apparatus | Yoshiyasu Nakashima, Yu Yonezawa | 2016-10-04 |
| 7595656 | Interface circuit and semiconductor integrated circuit | Tetsuya Ohtani | 2009-09-29 |
| 7538626 | Voltage controlled oscillator circuit with different sized shunt transistors | Tatsuya Yamaguchi, Satoshi Yamamoto | 2009-05-26 |
| 6868200 | Wavelength division multiplexing optical transmission apparatus | Koichi Kimotsuki, Tatsuo Nagayoshi, Takanori Maki | 2005-03-15 |
| 6317249 | Optical modulator outputting an optical signal with a drive voltage signal dependent upon an input signal | Hiroshi Nakamoto, Takao Naito, Shinji Sonoda | 2001-11-13 |
| 5088106 | Phase shift circuit and repeater using the same | Mitsuo Kitamura | 1992-02-11 |