Inventor · disambiguated record
Ken Shiozawa
Also filed as: SHIMIZU NOBUO · SHIOZAWA KEN
8 granted patents·33 citations·filing 1975–2014
81Inventor score
Top patents by PatentIndex Score
8 records- 0175US4031869AIgnition-timing adjusting system for spark-ignition internal combustion enginesTOYOTA MOTOR CO LTD·Filed 1975·Granted Jun 28, 1977·15 cites·8 claims
- 0269US9267398B2Variable valve timing control device of internal combustion engineNISSAN MOTOR·Filed 2013·Granted Feb 23, 2016·2 cites·5 claims
- 0356US9051855B2Engine valve timing control apparatusITO HIRONORI·Filed 2012·Granted Jun 9, 2015·1 cites·18 claims
- 0445US9157379B2Variable valve timing control device for internal combustion engineNISSAN MOTOR·Filed 2013·Granted Oct 13, 2015·0 cites·9 claims
- 0542US9885259B2Lock determination device for variable valve timing mechanism and lock determination method for variable valve timing mechanismNISSAN MOTOR·Filed 2014·Granted Feb 6, 2018·0 cites·6 claims
- 0642US4371000AAnti surge float chamber assemblyTOYOTA MOTOR CO LTD·Filed 1980·Granted Feb 1, 1983·9 cites·1 claims
- 0735US4201734ACarburetorAISAN IND·Filed 1978·Granted May 6, 1980·5 cites·4 claims
- 0830US4147032ASecondary air supply control systemTOYOTA MOTOR CO LTD·Filed 1977·Granted Apr 3, 1979·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →