Inventor · disambiguated record
Keiji Umetani
Also filed as: UMETANI KEIJI
14 granted patents·772 citations·filing 1984–1996
94Inventor score
Top patents by PatentIndex Score
14 records- 0197US4945552AImaging system for obtaining X-ray energy subtraction imagesHITACHI LTD·Filed 1988·Granted Jul 31, 1990·77 cites·13 claims
- 0286US5598453AMethod for X-ray fluoroscopy or radiography, and X-ray apparatusHITACHI MEDICAL CORP·Filed 1995·Granted Jan 28, 1997·374 cites·21 claims
- 0380US5485500ADigital x-ray imaging system and methodHITACHI MEDICAL CORP·Filed 1994·Granted Jan 16, 1996·55 cites·47 claims
- 0476US5402463AApparatus and method for radiation imagingHITACHI MEDICAL CORP·Filed 1993·Granted Mar 28, 1995·39 cites·15 claims
- 0570US5526442AX-ray radiography method and systemHITACHI MEDICAL CORP·Filed 1994·Granted Jun 11, 1996·41 cites·11 claims
- 0665US5528655AMethod and apparatus for producing radiologic three-dimensional imageHITACHI MEDICAL CORP·Filed 1994·Granted Jun 18, 1996·24 cites·21 claims
- 0760US5583345AMethod of and apparatus for picking up and displaying a stereoscopic image from an object permeated with radioactive raysHITACHI LTD·Filed 1994·Granted Dec 10, 1996·18 cites·17 claims
- 0857US4890310ASpectral type radiation imaging systemHITACHI LTD·Filed 1987·Granted Dec 26, 1989·51 cites·14 claims
- 0953US5600701AX-ray imaging system and method thereforHITACHI MEDICAL CORP·Filed 1994·Granted Feb 4, 1997·14 cites·10 claims
- 1048US5880470ATwo-dimensional radiation image detectorHITACHI LTD·Filed 1996·Granted Mar 9, 1999·17 cites·69 claims
- 1146US5818064AMethod of and apparatus for picking up and displaying a stereoscopic image from an object permeated with radioactive raysHITACHI LTD·Filed 1996·Granted Oct 6, 1998·11 cites·29 claims
- 1244US5960058AMethod for generating X-ray image and apparatus thereforHITACHI MEDICAL CORP·Filed 1996·Granted Sep 28, 1999·41 cites·32 claims
- 1343US4598203AMultielement radiation detectorHITACHI LTD·Filed 1984·Granted Jul 1, 1986·6 cites·8 claims
- 1438US5353325AX-ray fluorograph and radiograph apparatus for obtaining X-ray image having high X-ray latitudeHITACHI MEDICAL CORP·Filed 1992·Granted Oct 4, 1994·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →