Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9698932 | Optical transmission/reception system, transmitter, receiver, and optical transmission/reception method | Yoshiaki Kisaka, Koichi Ishihara, Etsushi Yamazaki | 2017-07-04 |
| 9667350 | Optical receiving device and phase cycle reduction method | Kengo Horikoshi, Kohki Shibahara, Etsushi Yamazaki, Mitsuteru YOSHIDA, Koichi Ishihara +4 more | 2017-05-30 |
| 9621299 | Coherent communication system, communication method, and transmission method | Koichi Ishihara, Masato Mizoguchi, Tomoki Murakami, Tomoyoshi Kataoka, Yoshiaki Kisaka +5 more | 2017-04-11 |