Inventor · disambiguated record
Kazutoyo Watanabe
Also filed as: WATANABE KAZUTOYO
6 granted patents·2 pending applications·110 citations·filing 2004–2020
83Inventor score
Top patents by PatentIndex Score
8 records- 0194US8838364B2Control device of spark-ignition gasoline engineNAGATSU KAZUHIRO·Filed 2012·Granted Sep 16, 2014·20 cites·16 claims
- 0291US7578864B2Ceramic honeycomb filter and its production methodHITACHI METALS LTD·Filed 2004·Granted Aug 25, 2009·66 cites·8 claims
- 0388US8655572B2Control device of spark-ignition gasoline engineIWAI KOUHEI·Filed 2012·Granted Feb 18, 2014·14 cites·16 claims
- 0481US9212600B2Variable cylinder engineMAZDA MOTOR·Filed 2014·Granted Dec 15, 2015·5 cites·20 claims
- 0574US9970361B2Engine control apparatusMAZDA MOTOR·Filed 2015·Granted May 15, 2018·2 cites·6 claims
- 0673US9631562B2Variable cylinder engineMAZDA MOTOR·Filed 2014·Granted Apr 25, 2017·3 cites·5 claims
- 0733US2020318567A1Engine cooling systemMAZDA MOTOR·Filed 2020·Application pending·0 cites
- 0831US2007277511A1Ceramic Honeycomb Filter, Exhaust Gas-Cleaning Apparatus, and Exhaust Gas-Cleaning MethodSUWABE HIROHISA·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kazutoyo Watanabe files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →