Inventor · disambiguated record
Masahisa Shionoya
Also filed as: SHIONOYA MASAHISA
5 granted patents·84 citations·filing 1984–1986
82Inventor score
Technology areasC08K
Files withSUMITOMO CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0178US4576734AStabilizer for synthetic resinsSUMITOMO CHEMICAL CO·Filed 1985·Granted Mar 18, 1986·24 cites·7 claims
- 0275US4721744AStabilized polyurethane compositionsSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 26, 1988·21 cites·4 claims
- 0365US4578410APiperidine derivatives, their production and stabilized polymer compositions containing sameSUMITOMO CHEMICAL CO·Filed 1984·Granted Mar 25, 1986·13 cites·20 claims
- 0464US4717745AStabilized polyacetal resin compositionsSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 5, 1988·13 cites·4 claims
- 0563US4719257APolyolefin resin compositionSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 12, 1988·13 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →