Inventor
SOBU YOHEI
JP4 patents
Patents
4 patentsUS11736201B2Aug 22, 2023
Optical transmitter for transmitting multilevel optical signals
FUJITSU LTD2 citations71
US11474409B2Oct 18, 2022
Optical modulator and optical modulation method
FUJITSU LTD3 citations69
US11139895B2Oct 5, 2021
Transmission device, optical transceiver module, and optical modulation method
FUJITSU LTD0 citations59
US11327234B2May 10, 2022
Optical semiconductor device and reception apparatus
FUJITSU LTD0 citations44