Inventor
YANAGISHITA HITOSHI
JP12 patents
Patents
12 patentsUS4618914AOct 21, 1986
Electrical insulating oil and oil-filled electrical appliances
NIPPON PETROCHEMICALS CO LTD280 citations99
US4543207ASep 24, 1985
Electrical insulating oil and oil-filled electrical appliances
NIPPON PETROCHEMICALS CO LTD76 citations96
US4734824AMar 29, 1988
Electrical insulating oil and electrical appliances impregnated with the same
NIPPON PETROCHEMICALS CO LTD35 citations92
US4681980AJul 21, 1987
Method for improving an electrical insulating hydrocarbon
NIPPON PETROCHEMICALS CO LTD32 citations92
US4621302ANov 4, 1986
Electrical insulating oil and electrical appliances impregnated with the same
NIPPON PETROCHEMICALS CO LTD44 citations92
US4549034AOct 22, 1985
Refined electrical insulating oil and oil-filled electrical appliances
NIPPON PETROCHEMICALS CO LTD39 citations92
US4493943AJan 15, 1985
Electrical insulating oil and oil-filled electrical appliances
NIPPON PETROCHEMICALS CO LTD41 citations92
US4347169AAug 31, 1982
Electrical insulating oil and oil-filled electrical appliances
NIPPON PETROCHEMICALS CO LTD32 citations92
US4506107AMar 19, 1985
Electrical insulating oil and oil-filled electrical appliances
NIPPON PETROCHEMICALS CO LTD16 citations74
US4442027AApr 10, 1984
Electrical insulating oil composition
NIPPON PETROCHEMICALS CO LTD17 citations74
US4329536AMay 11, 1982
Oil-impregnated power cable
NIPPON PETROCHEMICALS CO LTD11 citations69
US6172146B1Jan 9, 2001
Hot-melt composition and a modified aromatic petroleum resin used therefor
NIPPON PETROCHEMICALS CO LTD5 citations62