Inventor · disambiguated record
John N. Hay
Also filed as: HAY JOHN N
2 granted patents·6 citations·filing 1987–1995
49Inventor score
Top patents by PatentIndex Score
2 records- 0131US5614607APolyimide and a method of preparing polyamide from tetracarboxylic dianhydride and diisocyanateKOBE STEEL LTD·Filed 1995·Granted Mar 25, 1997·5 cites·4 claims
- 0230US4788314AMethod for producing polymerizable monomers containing a sulphate groupBRITISH PETROLEUM CO PLC·Filed 1987·Granted Nov 29, 1988·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →