Inventor
NAKATA MASAO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “NAKATA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
7 patentsUS7929201B2Apr 19, 2011
Multistage optical amplifier with gain control using pump ratio
FUJITSU LTD2 citations62
US7835067B2Nov 16, 2010
Raman amplifier
FUJITSU LTD3 citations61
US7145717B2Dec 5, 2006
Optical amplifier
FUJITSU LTD6 citations61
US11211764B2Dec 28, 2021
Raman optical amplifier and raman optical amplification method
FUJITSU LTD0 citations51
US9252558B2Feb 2, 2016
Optical amplifier
FUJITSU LTD0 citations40
US9100118B2Aug 4, 2015
Transmission device and transmission system
FUJITSU LTD0 citations40
US7986453B2Jul 26, 2011
Raman amplifier for amplifying signal light for optical communication, optical communication system equipped with Raman amplifier, and method for controlling Raman amplifier
FUJITSU LTD0 citations40
JAPAN STEEL WORKS LTD
5 patentsUS12009183B2Jun 11, 2024
Film-forming method, manufacturing method of electronic device, and plasma atomic layer deposition apparatus
JAPAN STEEL WORKS LTD0 citations60
US11024488B2Jun 1, 2021
Film-forming method, manufacturing method of electronic device, and plasma atomic layer deposition apparatus
JAPAN STEEL WORKS LTD0 citations60
US11062883B2Jul 13, 2021
Atomic layer deposition apparatus
JAPAN STEEL WORKS LTD0 citations50
US10988841B2Apr 27, 2021
Film-forming method, manufacturing method of electronic device, and mask holder
JAPAN STEEL WORKS LTD0 citations50
US11180848B2Nov 23, 2021
Atomic layer deposition apparatus, film-forming method using atomic layer deposition apparatus, and cleaning method of atomic layer deposition apparatus
JAPAN STEEL WORKS LTD0 citations45