Inventor · disambiguated record

Kiyohiko Koizumi

Also filed as: KOIZUMI KIYOHIKO

2 granted patents·39 citations·filing 1977–1980

63Inventor score

Technology areasC10C C10G

Files withKOA OIL CO LTD1 KOBE STEEL LTD1

Top patents by PatentIndex Score

2 records

0173US4334920AIntegrated process for thermal cracking of heavy oil and reduction of iron oresKOBE STEEL LTD·Filed 1980·Granted Jun 15, 1982·25 cites·7 claims
0265US4080283AProcess for continuous production of pitchKOA OIL CO LTD·Filed 1977·Granted Mar 21, 1978·14 cites·14 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →