Inventor
SHIRAKAWA SHINGO
JP23 patents
Patents
23 patentsUS6407900B1Jun 18, 2002
Lightning protection system for wind power generation installation
HITACHI LTD41 citations92
US5283709AFeb 1, 1994
Lightning arrester on tower for power transmission
HITACHI LTD34 citations89
US4262318AApr 14, 1981
Zinc-oxide surge arrester
HITACHI LTD33 citations89
US4736183AApr 5, 1988
Oxide resistor
HITACHI LTD18 citations79
US6525917B1Feb 25, 2003
Power transforming system and method
HITACHI LTD8 citations72
US6466425B1Oct 15, 2002
Insulating arrester capable of providing a voltage distribution that is substantially symmetrical around the center of the overall height of the arrester
HITACHI LTD10 citations72
US5912792AJun 15, 1999
Mounting construction of a tank-type lightning arrester for a neutral point of a transformer
HITACHI LTD8 citations72
US5590018ADec 31, 1996
Arrangement of arrestors in a gas-insulated switchgear
HITACHI LTD8 citations72
US5764129AJun 9, 1998
Ceramic resistor, production method thereof, neutral grounding resistor and circuit breaker
HITACHI LTD12 citations71
US5614138AMar 25, 1997
Method of fabricating non-linear resistor
HITACHI LTD11 citations71
US4943795AJul 24, 1990
Oxide resistor
HITACHI LTD8 citations71
US4675773AJun 23, 1987
Transmission line protection system
HITACHI LTD16 citations71
US4502089AFeb 26, 1985
Lightning arrester
HITACHI LTD12 citations71
US4321651AMar 23, 1982
Enclosed-type zinc-oxide surge arrester
HITACHI LTD9 citations71
US5610570AMar 11, 1997
Voltage non-linear resistor and fabricating method thereof
HITACHI LTD11 citations70
US5574613ANov 12, 1996
Lightning arrester having machinery built-in
HITACHI LTD11 citations69
US5959823ASep 28, 1999
Tank-type surge arrester
HITACHI LTD3 citations61
US5548468AAug 20, 1996
Surge arrester using zinc oxide elements installed in parallel, and method of forming the surge arrester
HITACHI LTD5 citations61
US5515231AMay 7, 1996
Thyristor valve arrester and DC power transmission thyristor valve using the same
HITACHI LTD2 citations61
US4774622ASep 27, 1988
Connecting apparatus for lightning arresters for overhead transmission lines
HITACHI LTD2 citations61
US5680316AOct 21, 1997
Method for estimating discharge capability of zinc oxide power element, method for screening the element and systems for carrying out these methods
HITACHI LTD4 citations54
US5585996ADec 17, 1996
Arrestor for gas insulated switchgear
HITACHI LTD0 citations50
US5561581AOct 1, 1996
Arrester and manufacturing method thereof
HITACHI LTD0 citations50