Inventor · disambiguated record

Hirokazu Koyanagi

Also filed as: KOYANAGI HIROKAZU

1 granted patent·58 citations·filing 1998–1998

50Inventor score

Technology areasC01B

Files withKANSAI COKE & CHEMICALS1

Top patents by PatentIndex Score

1 record

0179US6139990AModified graphite particles derived from scaly natural ones, production thereof and secondary batteryKANSAI COKE & CHEMICALS·Filed 1998·Granted Oct 31, 2000·58 cites·3 claims

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