Inventor · disambiguated record
James A. Grichnik
Also filed as: GRICHNIK JAMES · GRICHNIK JAMES A
6 granted patents·107 citations·filing 1974–2021
82Inventor score
Files withGRICHNIK JAMES A2ADVANCED INSTR DEV INC1GRICHNIK JAMES1MICRO FOCUS IMAGING CORP1VARIAN ASSOCIATES1
Top patents by PatentIndex Score
6 records- 0166US4230944AX-ray system exposure control with ion chamberADVANCED INSTR DEV INC·Filed 1979·Granted Oct 28, 1980·18 cites·2 claims
- 0253US4037586AElectroencephalograph displayGRICHNIK JAMES A·Filed 1976·Granted Jul 26, 1977·30 cites·6 claims
- 0351US11331062B2Mobile x-ray imaging apparatusGRICHNIK JAMES A·Filed 2021·Granted May 17, 2022·0 cites·20 claims
- 0442US11191500B2Portable barium swallow test apparatusGRICHNIK JAMES·Filed 2020·Granted Dec 7, 2021·0 cites·19 claims
- 0542US5586162APortable X-ray machineMICRO FOCUS IMAGING CORP·Filed 1994·Granted Dec 17, 1996·47 cites·9 claims
- 0637US3955119AApparatus for predicting incipient failure of an X-ray generator tubeVARIAN ASSOCIATES·Filed 1974·Granted May 4, 1976·12 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →