Inventor · disambiguated record
Hirotaka Tagawa
Also filed as: TAGAWA HIROTAKA
12 granted patents·2 pending applications·13 citations·filing 2006–2022
83Inventor score
Top patents by PatentIndex Score
14 records- 0192US11051525B2Gas supply device, interior air adjustment device, and container refrigeration deviceDAIKIN IND LTD·Filed 2018·Granted Jul 6, 2021·2 cites·8 claims
- 0280US11647761B2Filter unit, gas supply device, inside air conditioner, and cooling device for containerDAIKIN IND LTD·Filed 2018·Granted May 16, 2023·2 cites·11 claims
- 0376US11137191B2Gas supply device, device for controlling inside air, and refrigeration device for containerDAIKIN IND LTD·Filed 2018·Granted Oct 5, 2021·3 cites·2 claims
- 0467US8550968B2Developing roller and imaging apparatus comprising the sameSUGIMURA TAKAYUKI·Filed 2006·Granted Oct 8, 2013·5 cites·22 claims
- 0564US8932194B2Electrically conductive rollerTAGAWA HIROTAKA·Filed 2008·Granted Jan 13, 2015·1 cites·4 claims
- 0656US9561502B2Conductive polymer material, method for producing conductive polymer material, and image forming device memberBRIDGESTONE CORP·Filed 2014·Granted Feb 7, 2017·0 cites·9 claims
- 0753US12018880B2Refrigeration apparatus for shipping, and shipping containerDAIKIN IND LTD·Filed 2022·Granted Jun 25, 2024·0 cites·21 claims
- 0847US9201337B2Developing rollerTAGAWA HIROTAKA·Filed 2012·Granted Dec 1, 2015·0 cites·12 claims
- 0944US8711543B2Electrifying rollerTAKANO JUNICHI·Filed 2009·Granted Apr 29, 2014·0 cites·3 claims
- 1043US8401444B2Developing roller comprising surface layer containing water-dispersible silica and/or aqueous silicone acrylic graft polymerSUGIMURA TAKAYUKI·Filed 2008·Granted Mar 19, 2013·0 cites·8 claims
- 1140US9535354B2Conductive roller and manufacturing method thereofTAGAWA HIROTAKA·Filed 2010·Granted Jan 3, 2017·0 cites·15 claims
- 1239US8642148B2Electrifying rollerEGASHIRA IZUMI·Filed 2009·Granted Feb 4, 2014·0 cites·4 claims
- 1336US2011206414A1Method for manufacturing electrifying roller and electrifying roller manufactured by the methodBRIDGESTONE CORP·Filed 2009·Application pending·0 cites
- 1433US2007037680A1Conductive roller and image forming apparatus comprising the sameBRIDGESTONE CORP·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →