Inventor · disambiguated record
Osamu Okuma
Also filed as: OKUMA OSAMU
4 granted patents·1 pending application·100 citations·filing 1983–2003
79Inventor score
Top patents by PatentIndex Score
5 records- 0187US5556436ASolid fuel made from porous coal and production process and production apparatus thereforeKOBE STEEL LTD·Filed 1994·Granted Sep 17, 1996·51 cites·13 claims
- 0273US5554201AThermal treated coal, and process and apparatus for preparing the sameKOBE STEEL LTD·Filed 1994·Granted Sep 10, 1996·25 cites·13 claims
- 0350US4565622AMethod of liquefying brown coalKOBE STEEL LTD·Filed 1983·Granted Jan 21, 1986·12 cites·18 claims
- 0443US5269910AMethod of coil liquefaction by hydrogenationKOBE STEEL LTD·Filed 1990·Granted Dec 14, 1993·12 cites·7 claims
- 0538US2006231963A1Method and apparatus for producing fine particlesNEW IND RES ORGANIZATION·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →