Inventor · disambiguated record
Yuzo Koyanagi
Also filed as: KOYANAGI YUZO
5 granted patents·14 citations·filing 1981–1985
72Inventor score
Files withSANWA SEIKI MFG CO LTD5
Top patents by PatentIndex Score
5 records- 0133US4527531AMethod of detecting fuel injection timingSANWA SEIKI MFG CO LTD·Filed 1982·Granted Jul 9, 1985·6 cites·8 claims
- 0228US4455867AMethod of detecting control error in digital controlSANWA SEIKI MFG CO LTD·Filed 1981·Granted Jun 26, 1984·3 cites·6 claims
- 0326US4644475AMethod of controlling actuator by applying driving pulseSANWA SEIKI MFG CO LTD·Filed 1985·Granted Feb 17, 1987·2 cites·13 claims
- 0426US4558679AMethod of controlling hydraulic actuatorSANWA SEIKI MFG CO LTD·Filed 1981·Granted Dec 17, 1985·3 cites·6 claims
- 0524US4535402ADigital control methodSANWA SEIKI MFG CO LTD·Filed 1981·Granted Aug 13, 1985·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →