Inventor · disambiguated record
Takao Sugiyama
Also filed as: SUGIYAMA TAKAO
6 granted patents·2 pending applications·40 citations·filing 1983–2018
77Inventor score
Top patents by PatentIndex Score
8 records- 0174US4541441ACombine harvesterINST OF AGRICULTURAL MACHINERY·Filed 1983·Granted Sep 17, 1985·31 cites·8 claims
- 0271US8330375B2Vehicle lamp lighting control deviceMATSUI KOTARO·Filed 2010·Granted Dec 11, 2012·4 cites·5 claims
- 0370US9992835B2Lighting circuitKOITO MFG CO LTD·Filed 2016·Granted Jun 5, 2018·2 cites·7 claims
- 0463US8476838B2Light source lighting circuit and lamp system for vehicleMATSUI KOTARO·Filed 2011·Granted Jul 2, 2013·2 cites·7 claims
- 0551US8985823B2Vehicle lamp having an LED and a drip-preventive coverSUGIYAMA TAKAO·Filed 2012·Granted Mar 24, 2015·1 cites·9 claims
- 0647US2009267520A1Lighting control deviceKOITO MFG CO LTD·Filed 2009·Application pending·0 cites
- 0746US10173580B2Lighting circuit and vehicle lampKOITO MFG CO LTD·Filed 2017·Granted Jan 8, 2019·0 cites·8 claims
- 0839US2018339641A1Lighting circuit and vehicle lampKOITO MFG CO LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →