Inventor · disambiguated record
Yoshiaki Douyama
Also filed as: DOUYAMA YOSHIAKI
9 granted patents·115 citations·filing 2000–2014
88Inventor score
Top patents by PatentIndex Score
9 records- 0193US7318422B2Fluid pump assemblyWALBRO ENGINE MANAGEMENT LLC·Filed 2005·Granted Jan 15, 2008·34 cites·48 claims
- 0285US7475678B2Integrated fuel delivery systemWALBRO ENGINE MANAGEMENT LLC·Filed 2005·Granted Jan 13, 2009·11 cites·17 claims
- 0385US6302384B1Needle valve carburetorWALBRO CORP·Filed 2000·Granted Oct 16, 2001·28 cites·10 claims
- 0471US7210460B2Bypass pressure regulatorWALBRO ENGINE MANAGEMENT LLC·Filed 2005·Granted May 1, 2007·7 cites·31 claims
- 0567US6467757B1Carburetor valve adjustment limiter cap assemblyWALBRO JAPAN INC·Filed 2000·Granted Oct 22, 2002·16 cites·16 claims
- 0666US7114708B2Rotary throttle valve carburetorWALBRO JAPAN INC·Filed 2004·Granted Oct 3, 2006·11 cites·16 claims
- 0764US7429033B2Scavenging carburetorWALBRO ENGINE MANAGEMENT LLC·Filed 2005·Granted Sep 30, 2008·6 cites·26 claims
- 0850US9447737B2Throttle cable retainerWALBRO ENGINE MANAGEMENT LLC·Filed 2014·Granted Sep 20, 2016·0 cites·20 claims
- 0944US8261775B2Layered scavenging carburetorAIHARA TAMIO·Filed 2009·Granted Sep 11, 2012·2 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →