Inventor · disambiguated record
Katsuaki Hirota
Also filed as: HIROTA KATSUAKI
12 granted patents·399 citations·filing 1989–2004
93Inventor score
Files withSONY CORP12
Top patents by PatentIndex Score
12 records- 0194US5235428AAuto-focus system for video cameraSONY CORP·Filed 1992·Granted Aug 10, 1993·159 cites·33 claims
- 0287US5093716ADigital color video camera with auto-focus, auto-exposure and auto-white balance, and an auto exposure system therefor which compensates for abnormal lightingSONY CORP·Filed 1991·Granted Mar 3, 1992·82 cites·18 claims
- 0374US7623172B2Solid-state image pickup device and drive method thereofSONY CORP·Filed 2004·Granted Nov 24, 2009·13 cites·11 claims
- 0470US5005086AFocus control apparatus having two focusing speedsSONY CORP·Filed 1989·Granted Apr 2, 1991·24 cites·5 claims
- 0567US7826658B2Image processing system, image processing method, image processing recording medium, and program suitable for extraction processingSONY CORP·Filed 2003·Granted Nov 2, 2010·7 cites·14 claims
- 0664US5182636AColor video camera with auto-white balance controlSONY CORP·Filed 1991·Granted Jan 26, 1993·26 cites·5 claims
- 0759US6034726AImage generating device having automatic focus correction based on a detected change in an iris position or in a zoom lens positionSONY CORP·Filed 1996·Granted Mar 7, 2000·23 cites·19 claims
- 0859US5144450AAuto focus frequency conversion filter for ccd imagers having different numbers of pixelsSONY CORP·Filed 1991·Granted Sep 1, 1992·18 cites·12 claims
- 0951US5274458AVideo cameraSONY CORP·Filed 1992·Granted Dec 28, 1993·13 cites·2 claims
- 1050US5448295AVideo cameraSONY CORP·Filed 1993·Granted Sep 5, 1995·13 cites·1 claims
- 1146US5543840AMethod and apparatus for flange back adjustment of camera inner focus lens assemblySONY CORP·Filed 1993·Granted Aug 6, 1996·12 cites·9 claims
- 1241US5764290AFlange-back adjusting method and apparatus for a video camera using an inner focus lens assemblySONY CORP·Filed 1994·Granted Jun 9, 1998·9 cites·6 claims
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