Inventor
KAWAI MASAAKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “KAWAI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
12 patentsUS5265088ANov 23, 1993
Cross-connection apparatus for B-ISDN
FUJITSU LTD60 citations95
US5257311AOct 26, 1993
System for monitoring ATM cross-connecting apparatus by inside-apparatus monitoring cell
FUJITSU LTD75 citations95
US5610913AMar 11, 1997
Switching equipment for performing a switching operation for a high-speed packet in broadband Integrated Services Digital Network
FUJITSU LTD62 citations94
US6975813B1Dec 13, 2005
Light output control device
FUJITSU LTD27 citations92
US5696759ADec 9, 1997
Apparatus for high-speed packet switching in a broadband ISDN
FUJITSU LTD24 citations92
US5001726AMar 19, 1991
Circuit for generating discrimination voltage level
FUJITSU LTD30 citations90
US5878025AMar 2, 1999
ATM switch and method for switching path by ATM switch
FUJITSU LTD10 citations73
US4935701AJun 19, 1990
Phase shift circuit
FUJITSU LTD11 citations72
US5515386AMay 7, 1996
Transmission circuit for transmitting fixed-length data
FUJITSU LTD15 citations71
US5408476AApr 18, 1995
One bit error correction method having actual data reproduction function
FUJITSU LTD16 citations71
US10955727B2Mar 23, 2021
Wavelength converter and transmission apparatus
FUJITSU LTD0 citations52
US7266308B2Sep 4, 2007
Light output control circuit
FUJITSU LTD0 citations51
NGK INSULATORS LTD
3 patentsUS8361197B2Jan 29, 2013
Structure provided with zeolite separation membrane, method for producing same, method for separating mixed fluids and device for separating mixed fluids
NGK INSULATORS LTD6 citations71
US8764889B2Jul 1, 2014
Silica film filter and process for producing silica film filter
NGK INSULATORS LTD2 citations60
US9579610B2Feb 28, 2017
Method for manufacturing silica membrane filter, and silica membrane filter
NGK INSULATORS LTD0 citations40