Inventor · disambiguated record
John M. Townsend
Also filed as: TOWNSEND JOHN M · TOWNSEND JOHN MELVIN
5 granted patents·72 citations·filing 1974–1981
82Inventor score
Files withHOFFMANN LA ROCHE5
Top patents by PatentIndex Score
5 records- 0186US4343741AChiral phosphinesHOFFMANN LA ROCHE·Filed 1981·Granted Aug 10, 1982·18 cites·15 claims
- 0285US4218567AProcess for aromatic ethersHOFFMANN LA ROCHE·Filed 1978·Granted Aug 19, 1980·19 cites·6 claims
- 0384US4008282APreparation of triaryl phosphinesHOFFMANN LA ROCHE·Filed 1974·Granted Feb 15, 1977·14 cites·14 claims
- 0462US4187241AMetal phosphine complexHOFFMANN LA ROCHE·Filed 1978·Granted Feb 5, 1980·12 cites·2 claims
- 0554US4120870AMetal phosphine complexHOFFMANN LA ROCHE·Filed 1977·Granted Oct 17, 1978·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →