Inventor · disambiguated record
Nobuo Yokoyama
Also filed as: YOKOYAMA NOBUO
13 granted patents·340 citations·filing 1977–1996
93Inventor score
Top patents by PatentIndex Score
13 records- 0196US4468254AWax emulsionNIPPON OIL CO LTD·Filed 1983·Granted Aug 28, 1984·100 cites·3 claims
- 0290US4449071AFluorescent lamp deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted May 15, 1984·39 cites·7 claims
- 0385US4339276AWax emulsionNIPPON OIL CO LTD·Filed 1980·Granted Jul 13, 1982·41 cites·24 claims
- 0483US4366416AFluorescent lamp deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Dec 28, 1982·24 cites·9 claims
- 0579US5015404AOil composition containing hydrogenated oilNIPPON OIL CO LTD·Filed 1989·Granted May 14, 1991·29 cites·23 claims
- 0676US4218263AProcess for preparing oxygen-containing waxesNIPPON OIL CO LTD·Filed 1978·Granted Aug 19, 1980·18 cites·17 claims
- 0775US4071581AProcess for preparing modified polyolefin waxesNIPPON OIL CO LTD·Filed 1977·Granted Jan 31, 1978·17 cites·4 claims
- 0868US4598019AMethod for surface treatment of powdery and granular material stored in open airNIPPON OIL CO LTD·Filed 1984·Granted Jul 1, 1986·19 cites·17 claims
- 0967US4770802ALubricating oil compositionsNIPPON OIL CO LTD·Filed 1987·Granted Sep 13, 1988·21 cites·9 claims
- 1056US4442140AAqueous composition for the protection of paint surfacesNIPPON OIL CO LTD·Filed 1982·Granted Apr 10, 1984·8 cites·23 claims
- 1147US4218252AInk compositions for carbon paperNIPPON OIL CO LTD·Filed 1978·Granted Aug 19, 1980·8 cites·8 claims
- 1242US6484942B1Information storage medium, information reproducing apparatus, game machine and its information reproducing methodSEGA ENTERPRISES KK·Filed 1996·Granted Nov 26, 2002·13 cites·7 claims
- 1336US4803013AHalogenated naphthalene derivativesNIPPON OIL CO LTD·Filed 1988·Granted Feb 7, 1989·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →