Inventor · disambiguated record

Takesi Matuyama

Also filed as: MATUYAMA TAKESI · YOSHIDA NORIO

2 granted patents·39 citations·filing 1978–1985

63Inventor score

Technology areasC08K F02D

Files withKOEI CHEMICAL CO1 NIPPON SOKEN1

Top patents by PatentIndex Score

2 records

0178US4627402AMethod and apparatus for controlling air-fuel ratio in internal combustion engineNIPPON SOKEN·Filed 1985·Granted Dec 9, 1986·23 cites·10 claims
0272US4202806AStabilization of chlorine-containing resinsKOEI CHEMICAL CO·Filed 1978·Granted May 13, 1980·16 cites·11 claims

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