Masahiko Sasaki
55Patents
23h-index
89Co-inventors
91Inventor score
Filing activity: Aug 3, 1984 → Dec 27, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4862873A | Stereo endoscope | Electricity | 189 | Expired |
| US4727418A | Image processing apparatus | Physics | 113 | Expired |
| US5374953A | Electronic endoscope apparatus with signal validity monitor | Electricity | 106 | Expired |
| US4868647A | Electronic endoscopic apparatus isolated by differential type drive means | Electricity | 95 | Expired |
| US4951135A | Electronic-type endoscope system having capability of setting AGC variation region | Electricity | 94 | Expired |
| US5034888A | Electronic endoscope apparatus having different image processing characteristics for a moving image and a still image | Electricity | 90 | Expired |
| US4928172A | Endoscope output signal control device and endoscope apparatus making use of the same | Electricity | 80 | Expired |
| US5592216A | Endoscopic apparatus capable of storing image information for a plurality of frames | Electricity | 73 | Expired |
| US4719508A | Endoscopic photographing apparatus | Electricity | 72 | Expired |
| US5016975A | Electronic endoscope provided with a sample-hold circuit | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US4967269A | Endoscope automatic light control apparatus and endoscope apparatus making use of the same | Electricity | 65 | Expired |
| US4959710A | Electronic endoscope whereby the position of the insertable part can be known by a transmitted light outside a body | Electricity | 62 | Expired |
| US5113254A | Electronic endoscope apparatus outputting ternary drive signal | Electricity | 60 | Expired |
| US4727417A | Endoscope video apparatus | Physics | 56 | Expired |
| US4816909A | Video endoscope system for use with different sizes of solid state devices | Electricity | 51 | Expired |
| US4894715A | Electronic endoscope | Electricity | 45 | Expired |
| USRE34504E | Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears | General | 41 | Expired |
| US4926258A | Electronic endoscope apparatus capable of driving solid state imaging devices having different characteristics | Electricity | 39 | Expired |
| US4706118A | Control circuit for video endoscope | Electricity | 38 | Expired |
| US4625236A | Light source means for endoscope employing solid state imaging device | Electricity | 35 | Expired |
| US5243666A | Static-image signal generation apparatus using fuzzy theory | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5408265A | Electronic endoscope system adaptable to different T.V. standards while utilizing a common light source | Human Necessities | 29 | Expired |
| US4901143A | Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears | Electricity | 28 | Expired |
| US4956833A | Objective driving device for an optical disk apparatus | Physics | 22 | Expired |
| US5164824A | Image freezing signal-processing apparatus | Electricity | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.