Inventor
HANMA KENTARO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HANMA KENTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS4970531ANov 13, 1990
Thermal transfer printer
HITACHI LTD81 citations93
US5037218AAug 6, 1991
Thermal transfer printer capable of using and detecting a plurality of multicolor ribbons
HITACHI LTD39 citations92
US4611244ASep 9, 1986
Auto-focus system for video camera
HITACHI LTD37 citations92
US4531158AJul 23, 1985
Automatic focusing system for video cameras
HITACHI LTD31 citations92
US4206380AJun 3, 1980
Piezoelectric surface acoustic wave device with suppression of reflected signals
HITACHI LTD24 citations81
US4320417AMar 16, 1982
Automatic focusing system for video camera
HITACHI LTD23 citations79
US4734759AMar 29, 1988
A video printer having color signal interpolation circuit
HITACHI LTD18 citations74
US4703366AOct 27, 1987
Video image printer for printing an image derived from a video signal
HITACHI LTD19 citations74
US4675747AJun 23, 1987
Electronic still camera
HITACHI LTD13 citations74
US4237476ADec 2, 1980
Automatic tilt control circuit for television receivers
HITACHI LTD9 citations74
US3990107ANov 2, 1976
Circuit for automatically controlling horizontal scanning frequency
HITACHI LTD9 citations74
US5259680ANov 9, 1993
Thermal transfer printer and ink sheet cassette for use in same
HITACHI LTD10 citations73
US4500925AFeb 19, 1985
Auto-focusing system for video camera
HITACHI LTD18 citations73
USD314005SJan 22, 1991
Ink ribbon cassette
HITACHI LTD10 citations70
US4062044ADec 6, 1977
Color television receiver employing elastic surface wave filter
HITACHI LTD13 citations69