Inventor · disambiguated record
Hitoshi Yanagishita
Also filed as: YANAGISHITA HITOSHI
12 granted patents·628 citations·filing 1980–1997
94Inventor score
Files withNIPPON PETROCHEMICALS CO LTD12
Top patents by PatentIndex Score
12 records- 0198US4618914AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Oct 21, 1986·280 cites·11 claims
- 0295US4543207AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Sep 24, 1985·76 cites·11 claims
- 0394US4493943AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Jan 15, 1985·41 cites·15 claims
- 0488US4621302AElectrical insulating oil and electrical appliances impregnated with the sameNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Nov 4, 1986·44 cites·7 claims
- 0587US4549034ARefined electrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1984·Granted Oct 22, 1985·39 cites·9 claims
- 0686US4347169AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1981·Granted Aug 31, 1982·32 cites·16 claims
- 0782US4734824AElectrical insulating oil and electrical appliances impregnated with the sameNIPPON PETROCHEMICALS CO LTD·Filed 1986·Granted Mar 29, 1988·35 cites·12 claims
- 0881US4681980AMethod for improving an electrical insulating hydrocarbonNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Jul 21, 1987·32 cites·5 claims
- 0967US4442027AElectrical insulating oil compositionNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Apr 10, 1984·17 cites·4 claims
- 1066US4506107AElectrical insulating oil and oil-filled electrical appliancesNIPPON PETROCHEMICALS CO LTD·Filed 1984·Granted Mar 19, 1985·16 cites·17 claims
- 1149US4329536AOil-impregnated power cableNIPPON PETROCHEMICALS CO LTD·Filed 1980·Granted May 11, 1982·11 cites·6 claims
- 1236US6172146B1Hot-melt composition and a modified aromatic petroleum resin used thereforNIPPON PETROCHEMICALS CO LTD·Filed 1997·Granted Jan 9, 2001·5 cites·14 claims
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