Inventor · disambiguated record
Kazuyuki Koyama
Also filed as: KOYAMA KAZUYUKI
2 granted patents·1 pending application·24 citations·filing 1987–2013
60Inventor score
Top patents by PatentIndex Score
3 records- 0154US7317965B2Automatic sandal manufacturing and vending deviceSTYLE CO LTD K·Filed 2003·Granted Jan 8, 2008·16 cites·9 claims
- 0244US2014182198A1Water Retention Agent and Preservation MethodBLUE NORTHER INVESTMENTS LLC·Filed 2013·Application pending·0 cites
- 0336US4891138AMethod of separating and transferring ion-exchange resinEBARA CORP·Filed 1987·Granted Jan 2, 1990·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →