Inventor
KOGANEI YOHEI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KOGANEI YOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
11 patentsUS11770289B2Sep 26, 2023
Communication device for transmitting data by using multilevel coding, and communication system
FUJITSU LTD2 citations72
US7158290B2Jan 2, 2007
Controlling apparatus for optical amplifier and controlling method thereof
FUJITSU LTD7 citations72
US11711247B2Jul 25, 2023
Signal processing device and transmission device
FUJITSU LTD2 citations71
US11418284B2Aug 16, 2022
Encoding circuit, decoding circuit, encoding method, and decoding method
FUJITSU LTD2 citations71
US11552711B2Jan 10, 2023
Encoding device, decoding device, and transmission device
FUJITSU LTD0 citations61
US9467318B2Oct 11, 2016
Communication system, receiving device, and semiconductor device
FUJITSU LTD2 citations61
US7388711B2Jun 17, 2008
Controlling apparatus for optical amplifier and controlling method thereof
FUJITSU LTD4 citations61
US11283542B2Mar 22, 2022
Encoding circuit, decoding circuit, and encoding method
FUJITSU LTD0 citations50
US9825731B2Nov 21, 2017
Optical transmission system, optical transmission apparatus, and optical transmission method
FUJITSU LTD0 citations41
US10623137B2Apr 14, 2020
Transmission apparatus and error correction method
FUJITSU LTD0 citations40
US9438461B2Sep 6, 2016
Communication system, receiving device, and semiconductor device
FUJITSU LTD0 citations40
KOGANEI YOHEI
3 patentsUS8705974B2Apr 22, 2014
Optical transmission system and optical transmission method
KOGANEI YOHEI4 citations69
US8705984B2Apr 22, 2014
Optical transmission apparatus and method for controlling variable optical attenuator
KOGANEI YOHEI2 citations59
US8839070B2Sep 16, 2014
Error correction apparatus and error correction method
KOGANEI YOHEI1 citations49