Inventor · disambiguated record
Yukimasa Kumura
Also filed as: KUMURA YUKIMASA
5 granted patents·34 citations·filing 1981–1986
78Inventor score
Technology areasC10C
Files withKOA OIL CO LTD5
Top patents by PatentIndex Score
5 records- 0165US4488957AMethod and apparatus for production of crystallizable carbonaceous materialKOA OIL CO LTD·Filed 1982·Granted Dec 18, 1984·12 cites·10 claims
- 0255US4381990AProcess for producing mesocarbon microbeads of uniform particle-size distributionKOA OIL CO LTD·Filed 1981·Granted May 3, 1983·10 cites·6 claims
- 0348US4363670AContinuous process for industrially producing mesocarbon microbeadsKOA OIL CO LTD·Filed 1981·Granted Dec 14, 1982·7 cites·7 claims
- 0435US4640822AApparatus for producing bulk mesophaseKOA OIL CO LTD·Filed 1983·Granted Feb 3, 1987·3 cites·3 claims
- 0533US4769139AApparatus for production of crystallizable carbonaceous materialKOA OIL CO LTD·Filed 1986·Granted Sep 6, 1988·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →