Inventor
YAMAURA MITSURU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “YAMAURA MITSURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO SHIBAURA ELECTRIC CO
11 patentsUS4591992AMay 27, 1986
Method and system for identifying the direction of a fault in a power line
TOKYO SHIBAURA ELECTRIC CO52 citations92
US4314199AFeb 2, 1982
Method for locating a fault point on a transmission line
TOKYO SHIBAURA ELECTRIC CO35 citations89
US4328551AMay 4, 1982
Apparatus and method for protection of electric power transmission lines and the like
TOKYO SHIBAURA ELECTRIC CO26 citations80
US4541058ASep 10, 1985
Protective relay system
TOKYO SHIBAURA ELECTRIC CO14 citations73
US4470093ASep 4, 1984
Protective relay system and sampling synchronizing method therefor
TOKYO SHIBAURA ELECTRIC CO12 citations73
US4420805ADec 13, 1983
Protective relaying system
TOKYO SHIBAURA ELECTRIC CO18 citations73
US4371926AFeb 1, 1983
Input/output information indication system
TOKYO SHIBAURA ELECTRIC CO9 citations73
US4419737ADec 6, 1983
Setting device for protective control system
TOKYO SHIBAURA ELECTRIC CO16 citations72
US4339802AJul 13, 1982
Digital protective relaying devices
TOKYO SHIBAURA ELECTRIC CO5 citations60
US4347581AAug 31, 1982
Input setting method for digital operational devices
TOKYO SHIBAURA ELECTRIC CO4 citations59
US4071873AJan 31, 1978
Apparatus for detecting abnormal conditions of transmitted signals
TOKYO SHIBAURA ELECTRIC CO5 citations59
TOSHIBA KK
6 patentsUS4612594ASep 16, 1986
Protective relay system and sampling synchronizing method therefor
TOSHIBA KK27 citations86
US5796630AAug 18, 1998
Protective relay system provided with difference and addition filters
TOSHIBA KK18 citations83
US4577254AMar 18, 1986
Protective relay system
TOSHIBA KK13 citations73
US4709295ANov 24, 1987
Digital protective relay system
TOSHIBA KK15 citations72
US4695931ASep 22, 1987
Voltage/frequency converter with frequency drift compensation loop
TOSHIBA KK11 citations72
US4809305AFeb 28, 1989
Cyclic digital information transmission system
TOSHIBA KK4 citations62