Inventor
SASAKI MASAHIKO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
31 patentsUS4862873ASep 5, 1989
Stereo endoscope
OLYMPUS OPTICAL CO248 citations99
US4727418AFeb 23, 1988
Image processing apparatus
OLYMPUS OPTICAL CO178 citations99
US5374953ADec 20, 1994
Electronic endoscope apparatus with signal validity monitor
OLYMPUS OPTICAL CO136 citations98
US4951135AAug 21, 1990
Electronic-type endoscope system having capability of setting AGC variation region
OLYMPUS OPTICAL CO143 citations98
US5592216AJan 7, 1997
Endoscopic apparatus capable of storing image information for a plurality of frames
OLYMPUS OPTICAL CO85 citations96
USRE34504EJan 11, 1994
Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears
OLYMPUS OPTICAL CO55 citations96
US5113254AMay 12, 1992
Electronic endoscope apparatus outputting ternary drive signal
OLYMPUS OPTICAL CO71 citations96
US5034888AJul 23, 1991
Electronic endoscope apparatus having different image processing characteristics for a moving image and a still image
OLYMPUS OPTICAL CO117 citations96
US4967269AOct 30, 1990
Endoscope automatic light control apparatus and endoscope apparatus making use of the same
OLYMPUS OPTICAL CO83 citations96
US4959710ASep 25, 1990
Electronic endoscope whereby the position of the insertable part can be known by a transmitted light outside a body
OLYMPUS OPTICAL CO89 citations96
US4928172AMay 22, 1990
Endoscope output signal control device and endoscope apparatus making use of the same
OLYMPUS OPTICAL CO102 citations96
US4926258AMay 15, 1990
Electronic endoscope apparatus capable of driving solid state imaging devices having different characteristics
OLYMPUS OPTICAL CO60 citations96
US4894715AJan 16, 1990
Electronic endoscope
OLYMPUS OPTICAL CO65 citations96
US4868647ASep 19, 1989
Electronic endoscopic apparatus isolated by differential type drive means
OLYMPUS OPTICAL CO121 citations96
US4727417AFeb 23, 1988
Endoscope video apparatus
OLYMPUS OPTICAL CO77 citations96
US4719508AJan 12, 1988
Endoscopic photographing apparatus
OLYMPUS OPTICAL CO91 citations96
US4816909AMar 28, 1989
Video endoscope system for use with different sizes of solid state devices
OLYMPUS OPTICAL CO74 citations95
US5016975AMay 21, 1991
Electronic endoscope provided with a sample-hold circuit
OLYMPUS OPTICAL CO67 citations94
US5408265AApr 18, 1995
Electronic endoscope system adaptable to different T.V. standards while utilizing a common light source
OLYMPUS OPTICAL CO52 citations93
US4933757AJun 12, 1990
Electronic endoscope apparatus provided with a movement detecting means
OLYMPUS OPTICAL CO23 citations93
US4891695AJan 2, 1990
Electronic endoscope apparatus provided with a plurality of endoscopes having solid state imaging devices with at least one identical pixel forming element
OLYMPUS OPTICAL CO29 citations93
US4706118ANov 10, 1987
Control circuit for video endoscope
OLYMPUS OPTICAL CO41 citations93
US4625236ANov 25, 1986
Light source means for endoscope employing solid state imaging device
OLYMPUS OPTICAL CO46 citations93
US5243666ASep 7, 1993
Static-image signal generation apparatus using fuzzy theory
OLYMPUS OPTICAL CO41 citations92
US4901143AFeb 13, 1990
Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears
OLYMPUS OPTICAL CO45 citations92
US4979035ADec 18, 1990
Electronic endoscope apparatus with CCD output circuit of positive polarity
OLYMPUS OPTICAL CO26 citations91
US5164824ANov 17, 1992
Image freezing signal-processing apparatus
OLYMPUS OPTICAL CO32 citations90
US4933758AJun 12, 1990
Signal processing apparatus with a movement detecting device and an outline enhancement device
OLYMPUS OPTICAL CO10 citations74
US4891697AJan 2, 1990
Electronic endoscope having function of effecting enlargement/reduction processing
OLYMPUS OPTICAL CO18 citations74
US4887153ADec 12, 1989
Electronic endoscope apparatus using horizontal transfer clock of fixed frequency
OLYMPUS OPTICAL CO14 citations74
US4933760AJun 12, 1990
Movement detecting circuit
OLYMPUS OPTICAL CO2 citations63
ASAHI OPTICAL CO LTD
10 patentsUS5341246AAug 23, 1994
Apparatus for adjusting an optical axis including plates on opposite sides of a beam shaping prism
ASAHI OPTICAL CO LTD29 citations93
US5237457AAug 17, 1993
Apparatus for adjusting an optical axis including a laser beam source and a beam shaping prism
ASAHI OPTICAL CO LTD27 citations93
US5317144AMay 31, 1994
Wave front aberration measuring apparatus having means for adjusting position of collimator lens
ASAHI OPTICAL CO LTD20 citations92
US5223970AJun 29, 1993
Optical axis adjusting mechanism and method for optical information recording and reproducing device, and jig therefor
ASAHI OPTICAL CO LTD35 citations92
US4956833ASep 11, 1990
Objective driving device for an optical disk apparatus
ASAHI OPTICAL CO LTD28 citations91
US5402269AMar 28, 1995
Compound prism
ASAHI OPTICAL CO LTD16 citations82
US5343332AAug 30, 1994
Apparatus for adjusting optical axis including a beam shaping prism
ASAHI OPTICAL CO LTD17 citations82
US5223983AJun 29, 1993
Compound prism including interfaces with curvatures of the order of a laser wave length
ASAHI OPTICAL CO LTD15 citations82
US6145976ANov 14, 2000
Ink transfer printer
ASAHI OPTICAL CO LTD12 citations74
US6236414B1May 22, 2001
Ink transfer printer
ASAHI OPTICAL CO LTD9 citations72
MITSUI SHIPBUILDING ENG
3 patentsUS5481298AJan 2, 1996
Apparatus for measuring dimensions of objects
MITSUI SHIPBUILDING ENG26 citations93
US4653610AMar 31, 1987
Apparatus for automatically applying lubrication in lifting device
MITSUI SHIPBUILDING ENG10 citations73
US4566398AJan 28, 1986
Anchoring apparatus
MITSUI SHIPBUILDING ENG10 citations73
TOSHIBA KK
3 patentsUS5958114ASep 28, 1999
Indoor unit of air-conditioner
TOSHIBA KK26 citations90
US5467606ANov 21, 1995
Air conditioning apparatus capable of operating in cooling mode and heating mode
TOSHIBA KK33 citations89
US4781545ANov 1, 1988
Rotary compressor with sound suppression tubular cavity section
TOSHIBA KK29 citations86
PENTAX CORP
2 patentsTOSHIBA CARRIER CORP
1 patentShowing the top 50 of 54 patents by PatentIndex Score.