Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11558114 | Optical transmission characteristics compensating method and optical transmission characteristics compensating system | Atsushi Hoki, Katsuya Tanaka, Eisuke Tsuchiya, Masanori Nakamura, Asuka Matsushita | 2023-01-17 |
| 11228366 | Optical transmission characteristics estimation method, optical transmission characteristics estimation system, and optical transmission characteristics compensation system | Atsushi Hoki, Masayuki Sugasawa, Masanori Nakamura, Asuka Matsushita | 2022-01-18 |
| 10637569 | Optical transmission characteristic estimation method, optical transmission characteristic compensation method, optical transmission characteristic estimation system and optical transmission characteristic compensation system | Tetsuya Maruyama, Masanori Nakamura, Asuka Matsushita, Shogo Yamanaka | 2020-04-28 |
| 10396895 | Compensation coefficient calculation method | Tomohiro Takamuku, Etsushi Yamazaki, Yuki Yoshida, Katsuichi Oyama, Yasuharu Onuma | 2019-08-27 |
| 7180341 | Variable division method and variable divider | Mitsuru Harada | 2007-02-20 |
| 6759912 | Phase locked loop | Tsuneo Tsukahara | 2004-07-06 |
| 6516186 | Image-rejection receiver | Tsuneo Tsukahara, Mitsuru Harada | 2003-02-04 |
| 6188261 | Programmable delay generator and application circuits having said delay generator | Hideyuki Nosaka, Akira Minakawa, Yo Yamaguchi | 2001-02-13 |