Inventor · disambiguated record
Frank R. Shu
Also filed as: SHU FRANK R
11 granted patents·147 citations·filing 1980–1996
90Inventor score
Files withBECKMAN INSTRUMENTS INC11
Top patents by PatentIndex Score
11 records- 0178US5833925AAutomatic chemistry analyzer with improved ion selective electrode assemblyBECKMAN INSTRUMENTS INC·Filed 1996·Granted Nov 10, 1998·54 cites·7 claims
- 0265US5286365AGraphite-based solid state polymeric membrane ion-selective electrodesBECKMAN INSTRUMENTS INC·Filed 1992·Granted Feb 15, 1994·28 cites·15 claims
- 0354US5130095AAutomatic chemistry analyzerBECKMAN INSTRUMENTS INC·Filed 1989·Granted Jul 14, 1992·16 cites·15 claims
- 0452US5223222AAutomatic chemistry analyzerBECKMAN INSTRUMENTS INC·Filed 1992·Granted Jun 29, 1993·17 cites·7 claims
- 0537US5728290APolarographic sensor and method of using sameBECKMAN INSTRUMENTS INC·Filed 1996·Granted Mar 17, 1998·11 cites·34 claims
- 0634US5213762AAutomatic chemistry analyzerBECKMAN INSTRUMENTS INC·Filed 1992·Granted May 25, 1993·5 cites·14 claims
- 0734US4330296AAlbumin reagent and assayBECKMAN INSTRUMENTS INC·Filed 1980·Granted May 18, 1982·5 cites·6 claims
- 0827US5110742AIndirect potentiometric method and diluent for analysis of lithiumBECKMAN INSTRUMENTS INC·Filed 1990·Granted May 5, 1992·3 cites·37 claims
- 0927US4731331ARate method for the determination of inorganic phosphorusBECKMAN INSTRUMENTS INC·Filed 1984·Granted Mar 15, 1988·2 cites·14 claims
- 1026US5288678AIndirect potentiometric method and diluent for analysis of lithiumBECKMAN INSTRUMENTS INC·Filed 1991·Granted Feb 22, 1994·2 cites·20 claims
- 1122US5424214ADiluent and method for determination of total calciumBECKMAN INSTRUMENTS INC·Filed 1993·Granted Jun 13, 1995·4 cites·23 claims
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