Inventor · disambiguated record
Masashi Hamba
Also filed as: HAMBA MASASHI
4 granted patents·1 pending application·91 citations·filing 1989–2006
73Inventor score
Files withSUMITOMO CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0192US4981760AEthylene-alpha-olefin copolymer and films obtained therefromSUMITOMO CHEMICAL CO·Filed 1989·Granted Jan 1, 1991·84 cites·8 claims
- 0266US7955565B2Gas-phase fluidized-bed reactor, multivessel polymerization reactor and process for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 2006·Granted Jun 7, 2011·2 cites·3 claims
- 0358US6420498B1Fluidized bed reactor for gas phase olefin polymerization, process for polymerizing olefin and process for producing olefinic polymerSUMITOMO CHEMICAL CO·Filed 2000·Granted Jul 16, 2002·5 cites·13 claims
- 0442US2009306314A1Method for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 0534US6710144B2Process for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 2001·Granted Mar 23, 2004·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Masashi Hamba 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 →