Inventor · disambiguated record
Charles R. Hayward
Also filed as: HAYWARD CHARLES R
5 granted patents·1,893 citations·filing 1988–1992
89Inventor score
Files withPHILIP MORRIS INC5
Top patents by PatentIndex Score
5 records- 0197US5159940ASmoking articlePHILIP MORRIS INC·Filed 1988·Granted Nov 3, 1992·460 cites·40 claims
- 0296US5345951ASmoking articlePHILIP MORRIS INC·Filed 1992·Granted Sep 13, 1994·398 cites·29 claims
- 0396US4991606ASmoking articlePHILIP MORRIS INC·Filed 1988·Granted Feb 12, 1991·320 cites·37 claims
- 0496US4966171ASmoking articlePHILIP MORRIS INC·Filed 1989·Granted Oct 30, 1990·362 cites·40 claims
- 0594US5076296ACarbon heat sourcePHILIP MORRIS INC·Filed 1988·Granted Dec 31, 1991·353 cites·68 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →