Inventor · disambiguated record
Koji Sumida
Also filed as: SUMIDA KOJI
4 granted patents·53 citations·filing 1984–2016
74Inventor score
Top patents by PatentIndex Score
4 records- 0187US9650481B2Protective film for polarizing plate and polarizing plate using the sameSUMITOMO CHEMICAL CO·Filed 2016·Granted May 16, 2017·3 cites·9 claims
- 0283US4671564AVentilating device for a roof opening of vehiclesWEBASTO WERK BAIER KG W·Filed 1984·Granted Jun 9, 1987·44 cites·22 claims
- 0381US9410023B2Protective film for polarizing plate and polarizing plate using the sameSUMITOMO CHEMICAL CO·Filed 2014·Granted Aug 9, 2016·3 cites·9 claims
- 0467US8408814B2Optical connectorSUMIDA KOJI·Filed 2011·Granted Apr 2, 2013·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →