Inventor · disambiguated record
Yoshio Kawasumi
Also filed as: KAWASUMI YOSHIO
10 granted patents·196 citations·filing 1978–1994
91Inventor score
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10 records- 0186US4309457AProcess of producing multilayer-coated composite powderNIPPON MINING CO·Filed 1979·Granted Jan 5, 1982·38 cites·9 claims
- 0278US4243728ADouble-metal-coated metal sulfide powder and process of producing the sameNIPPON MINING CO·Filed 1978·Granted Jan 6, 1981·27 cites·17 claims
- 0377US4233254AProcess for granulating metal sulfide powdersNIPPON MINING CO·Filed 1978·Granted Nov 11, 1980·17 cites·15 claims
- 0476US4792369ACopper wires used for transmitting sounds or imagesNIPPON MINING CO·Filed 1987·Granted Dec 20, 1988·19 cites·6 claims
- 0573US5552234ACopper foil for printed circuitsJAPAN ENERGY CORP·Filed 1994·Granted Sep 3, 1996·36 cites·7 claims
- 0668US4231848AMethod for making a raw board for use in printed circuitsNIPPON MINING CO·Filed 1979·Granted Nov 4, 1980·13 cites·9 claims
- 0760US4874436AMethod for producing high purity electrolytic copperNIPPON MINING CO·Filed 1988·Granted Oct 17, 1989·11 cites·18 claims
- 0858US4242376AMethod for metal plating of powder by substitutionNIPPON MINING CO·Filed 1979·Granted Dec 30, 1980·13 cites·8 claims
- 0956US4309458AProcess of producing composite powder coated with noble metalNIPPON MINING CO·Filed 1979·Granted Jan 5, 1982·12 cites·11 claims
- 1052US4221828AProcess of producing metal sulfide powder coated with copperNIPPON MINING CO·Filed 1978·Granted Sep 9, 1980·10 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →