Inventor · disambiguated record
Katsumi Hanji
Also filed as: HANJI KATSUMI · MATSUURA HIDEAKI
6 granted patents·108 citations·filing 1979–1983
85Inventor score
Technology areasC08F
Files withSUMITOMO CHEMICAL CO6
Top patents by PatentIndex Score
6 records- 0185US4352915AProcess for the polymerization of ethyleneSUMITOMO CHEMICAL CO·Filed 1980·Granted Oct 5, 1982·39 cites·9 claims
- 0276US4497906ASolid catalyst component for olefin polymerizationSUMITOMO CHEMICAL CO·Filed 1983·Granted Feb 5, 1985·24 cites·24 claims
- 0371US4235984AProcess for producing highly stereoregular α-olefin polymersSUMITOMO CHEMICAL CO·Filed 1979·Granted Nov 25, 1980·13 cites·9 claims
- 0467US4279776ACatalyst systemSUMITOMO CHEMICAL CO·Filed 1980·Granted Jul 21, 1981·14 cites·9 claims
- 0559US4550094ASolid catalyst component for olefin polymerizationSUMITOMO CHEMICAL CO·Filed 1983·Granted Oct 29, 1985·11 cites·60 claims
- 0649US4339351AProcess for producing olefin polymersSUMITOMO CHEMICAL CO·Filed 1980·Granted Jul 13, 1982·7 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Katsumi Hanji 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 →