Inventor · disambiguated record
Alan J. Johnson
Also filed as: JOHNSON ALAN J
8 granted patents·1 pending application·972 citations·filing 1976–2007
91Inventor score
Top patents by PatentIndex Score
9 records- 0196US4970300AModified factor VIIIUNIV NEW YORK·Filed 1989·Granted Nov 13, 1990·244 cites·10 claims
- 0295US4229537APreparation of trichloro-s-triazine activated supports for coupling ligandsUNIV NEW YORK·Filed 1978·Granted Oct 21, 1980·593 cites·16 claims
- 0367US4743680AMethod for purifying antihemophilic factorUNIV NEW YORK·Filed 1985·Granted May 10, 1988·38 cites·24 claims
- 0465US4952675AMethod for purifying antihemophilic factorUNIV NEW YORK·Filed 1988·Granted Aug 28, 1990·21 cites·11 claims
- 0565US4847362AMethod for purifying antihemophilic factorUNIV NEW YORK·Filed 1987·Granted Jul 11, 1989·21 cites·23 claims
- 0661US5278289AAntihemophilic factor stabilizationJOHNSON ALAN J·Filed 1991·Granted Jan 11, 1994·20 cites·2 claims
- 0756US4066506AMethod of separating and purifying two active forms of urokinase using affinity chromatographyUS HEALTH EDUCATION & WELFARE·Filed 1976·Granted Jan 3, 1978·19 cites·14 claims
- 0851US5484890AAntihemophilic factor stabilizationFiled 1993·Granted Jan 16, 1996·16 cites·4 claims
- 0947US2007162119A1Tympanic membrane prosthesis and a tool for manufacturing the prosthesisMED COLLEGE GEORGIA RES INST·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →