Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12047115 | Polarization variation monitoring system and polarization variation monitoring method | Junichi Sugiyama, Makoto Shimizu, Toshihiro Suzuki, Takeshi Noma, Hisao Nakashima +1 more | 2024-07-23 |
| 9915971 | Transmission apparatus | — | 2018-03-13 |
| 8891712 | Transmitting apparatus and transmitting method | Junichi Sugiyama, Hiroyuki Homma, Toru Katagiri | 2014-11-18 |
| 8300660 | Transmitting apparatus | Hiromichi Makishima, Shinji Sawane | 2012-10-30 |
| 7397882 | Digital phase locked circuit capable of dealing with input clock signal provided in burst fashion | Yuji Obana, Hideaki Mochizuki | 2008-07-08 |