Inventor · disambiguated record
Katsuhiko Koyama
Also filed as: KOYAMA KATSUHIKO
6 granted patents·241 citations·filing 1983–1991
87Inventor score
Top patents by PatentIndex Score
6 records- 0188US4544247AStereoscopic projecting apparatusPHOTRON LTD·Filed 1983·Granted Oct 1, 1985·35 cites·9 claims
- 0258US4884293AX-ray photographing apparatusTOSHIBA KK·Filed 1989·Granted Nov 28, 1989·62 cites·8 claims
- 0351US5163076AX-ray image display apparatusTOSHIBA KK·Filed 1991·Granted Nov 10, 1992·14 cites·8 claims
- 0449US5159622AX-ray fluoroscopic imaging apparatus with extended imaging set up rangeTOSHIBA KK·Filed 1990·Granted Oct 27, 1992·56 cites·5 claims
- 0548US4766603AAperture device of radiation diagnostic apparatusTOSHIBA KK·Filed 1986·Granted Aug 23, 1988·41 cites·9 claims
- 0641US5155757AX-ray diagnosing apparatusTOSHIBA KK·Filed 1991·Granted Oct 13, 1992·33 cites·8 claims
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