Inventor
KACHITA YOSHITO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “KACHITA YOSHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
10 patentsUS9742500B2Aug 22, 2017
Optical transmission apparatus and optical signal processing method
FUJITSU LTD3 citations71
US9391421B2Jul 12, 2016
Optical amplification apparatus, optical transmission apparatus, and optical transmission system
FUJITSU LTD2 citations61
US11909515B2Feb 20, 2024
Optical transmission system and receiving device
FUJITSU LTD0 citations60
US12199741B2Jan 14, 2025
Optical transmission system, optical transmission device, and optical transmission method
FUJITSU LTD1 citations59
US9813183B2Nov 7, 2017
Optical transmission device and optical transmission system
FUJITSU LTD0 citations51
US9699531B2Jul 4, 2017
Switchable optical amplifier and optical transmission apparatus
FUJITSU LTD1 citations51
US9520694B2Dec 13, 2016
Optical amplifier with loss adjustment unit based on gain
FUJITSU LTD1 citations51
US11228375B2Jan 18, 2022
Transmission system, transmission device, and transmission method
FUJITSU LTD0 citations50
US11990988B2May 21, 2024
Optical transmission system and optical transmission device
FUJITSU LTD0 citations45
US9887778B2Feb 6, 2018
Optical amplifier, optical transmission apparatus, and optical repeating apparatus
FUJITSU LTD0 citations40