Inventor · disambiguated record
Hatsumi Takeda
Also filed as: TAKEDA HATSUMI
9 granted patents·6 pending applications·70 citations·filing 2007–2015
87Inventor score
Files withMITSUBISHI RAYON CO7TAKEDA HATSUMI4MRC HOME PRODUCTS CO LTD2ISHIKAWA TAKESHI1MITSUBISHI RAYON CLEANSUI CO1
Top patents by PatentIndex Score
15 records- 0191US10023476B2Water filter cartridge and water purifierMITSUBISHI RAYON CO·Filed 2015·Granted Jul 17, 2018·6 cites·9 claims
- 0285US9005435B2Structure for opening section, and water purification cartridgeTAKEDA HATSUMI·Filed 2011·Granted Apr 14, 2015·8 cites·7 claims
- 0376US10189720B2Water purifying cartridge and pitcher-type water purifierISHIKAWA TAKESHI·Filed 2012·Granted Jan 29, 2019·2 cites·5 claims
- 0472USD740916SWater purifierMITSUBISHI RAYON CO·Filed 2014·Granted Oct 13, 2015·19 cites·1 claims
- 0567USD574924SWater purifierMRC HOME PRODUCTS CO LTD·Filed 2007·Granted Aug 12, 2008·20 cites·1 claims
- 0648USD751169SCartridge for water purifierMITSUBISHI RAYON CO·Filed 2014·Granted Mar 8, 2016·6 cites·1 claims
- 0747US2016136545A1Water purification cartridge and water purifierMITSUBISHI RAYON CO·Filed 2014·Application pending·0 cites
- 0846US2015197427A1Water purifierMITSUBISHI RAYON CO·Filed 2013·Application pending·0 cites
- 0945US2009014366A1Water drinking deviceMRC HOME PRODUCTS CO LTD·Filed 2007·Application pending·0 cites
- 1043US2013193060A1Water purification cartridgeTAKEDA HATSUMI·Filed 2011·Application pending·0 cites
- 1142USD751168SCartridge for water purifierMITSUBISHI RAYON CO·Filed 2014·Granted Mar 8, 2016·4 cites·1 claims
- 1239US2014217005A1Water purification cartridge and water purifierTAKEDA HATSUMI·Filed 2012·Application pending·0 cites
- 1338US2014144829A1Gravity-Filtration Water PurifierTAKEDA HATSUMI·Filed 2011·Application pending·0 cites
- 1437USD739494SMain body for water purifierMITSUBISHI RAYON CO·Filed 2014·Granted Sep 22, 2015·3 cites·1 claims
- 1533USD638909SWater purifierMITSUBISHI RAYON CLEANSUI CO·Filed 2010·Granted May 31, 2011·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →