Inventor · disambiguated record
Masakazu Sumida
Also filed as: SUMIDA MASAKAZU
6 granted patents·3 pending applications·8 citations·filing 2001–2021
72Inventor score
Top patents by PatentIndex Score
9 records- 0175US9422374B2Continuous polymerization device and method for producing polymer compositionSUMITOMO CHEMICAL CO·Filed 2014·Granted Aug 23, 2016·2 cites·10 claims
- 0272US9403922B2Continuous polymerization device, method for producing polymer composition, and injection valveSUMITOMO CHEMICAL CO·Filed 2014·Granted Aug 2, 2016·2 cites·21 claims
- 0367US11578160B2CompositionSUMITOMO CHEMICAL CO·Filed 2021·Granted Feb 14, 2023·0 cites·8 claims
- 0459US11890841B2Laminated body and method for producing laminated bodySUMITOMO CHEMICAL CO·Filed 2020·Granted Feb 6, 2024·0 cites·5 claims
- 0557US6866927B2Filter for image display deviceSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 15, 2005·4 cites·9 claims
- 0649US2002059315A1Medical data processing method and medical data processing systemNIDEK KK·Filed 2001·Application pending·0 cites
- 0747US2022219436A1Multilayer body and method for producing multilayer bodySUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 0846US9114374B2Continuous polymerization apparatus and process for producing polymer compositionSUMITOMO CHEMICAL CO·Filed 2013·Granted Aug 25, 2015·0 cites·12 claims
- 0944US2010060833A1Liquid crystal display protection plateSUMITOMO CHEMICAL COMPANY LIIT·Filed 2009·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masakazu Sumida 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 →