Ryo Ozawa
24Patents
17h-index
20Co-inventors
81Inventor score
Filing activity: May 13, 1996 → Feb 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9332890B2 | Processor for electronic endoscope and electronic endoscope apparatus | Electricity | 1,086 | Active |
| US6477403B1 | Endoscope system | Human Necessities | 177 | Expired |
| US6790175B1 | Endoscope system | Human Necessities | 159 | Expired |
| US6900829B1 | Electronic endoscope system for reducing random noise of a video signal | Physics | 131 | Expired |
| US6080104A | Electronic endoscope system | Electricity | 126 | Expired |
| US6967673B2 | Electronic endoscope system with color-balance alteration process | Human Necessities | 120 | Expired |
| US6498948B1 | Endoscope system | Electricity | 79 | Expired |
| US7050086B2 | Electronic endoscope system with color-balance alteration process | Human Necessities | 71 | Expired |
| US6677983B1 | Electronic endoscope | Electricity | 67 | Expired |
| US6456769B1 | Fiber bundle and endoscope apparatus | Human Necessities | 54 | Expired |
| US6527708B1 | Endoscope system | Human Necessities | 51 | Expired |
| US6154248A | Electronic endoscope | Electricity | 46 | Expired |
| US6879339B2 | Electronic endoscope system with color-balance alteration process | Human Necessities | 46 | Expired |
| US6663561B2 | Video endoscope system | Electricity | 43 | Expired |
| US6858004B1 | Electronic endoscope system including a plurality of video-processors | Human Necessities | 41 | Expired |
| US6635011B1 | Electronic endoscope system | Electricity | 37 | Expired |
| US6788861B1 | Endoscope system, scanning optical system and polygon mirror | Physics | 29 | Expired |
| US6414710B1 | Electronic endoscope | Human Necessities | 10 | Expired |
| US7197338B2 | Display device and portable terminal apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6600861B2 | Fiber bundle and endoscope apparatus | Human Necessities | 3 | Expired |
| US11170244B2 | Device and method for analyzing state of manual work by worker, and work analysis program | Physics | 2 | Active |
| US7860329B2 | Edge enhancement processing unit, endoscope processor, and computer program product | Physics | 1 | Active |
| US9289113B2 | Processor for electronic endoscope and electronic endoscope apparatus | Electricity | 1 | Active |
| US11138483B2 | System and method for reading an information code | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.