Isami Hirao
21Patents
15h-index
49Co-inventors
77Inventor score
Filing activity: Dec 23, 1994 → Dec 18, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5658300A | Tissue fixing surgical instrument, tissue-fixing device, and method of fixing tissues | Human Necessities | 2,621 | Expired |
| US5906625A | Tissue-fixing surgical instrument, tissue-fixing device, and method of fixing tissue | Human Necessities | 2,412 | Expired |
| US5649937A | Tissue-fixing surgical device, and method of fixing tissues | Human Necessities | 2,241 | Expired |
| US5471988A | Ultrasonic diagnosis and therapy system in which focusing point of therapeutic ultrasonic wave is locked at predetermined position within observation ultrasonic scanning range | Human Necessities | 734 | Expired |
| US6069698A | Optical imaging apparatus which radiates a low coherence light beam onto a test object, receives optical information from light scattered by the object, and constructs therefrom a cross-sectional image of the object | Physics | 379 | Expired |
| US5797931A | Tissue-fixing surgical instrument, tissue-fixing device, and method of fixing tissues | Human Necessities | 373 | Expired |
| US5873828A | Ultrasonic diagnosis and treatment system | Human Necessities | 157 | Expired |
| US6422994B1 | Fluorescent diagnostic system and method providing color discrimination enhancement | Electricity | 112 | Expired |
| US6327493A | Light scanning devices of a water-tight structure to be inserted into a body cavity to obtain optical information on inside of a biological tissue | Human Necessities | 91 | Expired |
| US7573499B2 | Endoscope apparatus for obtaining properly dimmed observation images | Electricity | 69 | Active |
| US6960165B2 | Endoscope with a single image pick-up element for fluorescent and normal-light images | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6217510A | Endoscopes and endoscope devices which image regular observation images and fluorescent images as well as which provide easier operation of treatment tools | Human Necessities | 46 | Expired |
| US7479990B2 | Programmable image processing unit which displays a tentative image during programming | Human Necessities | 42 | Active |
| US7172553B2 | Endoscope system using normal light and fluorescence | Human Necessities | 30 | Expired |
| US7393321B2 | Endoscope apparatus with solid-state pick-up | Electricity | 26 | Active |
| US7226412B2 | Endoscope system using normal light and fluorescence | Human Necessities | 14 | Expired |
| US7204803B2 | Endoscope device, endoscope and image processing device for endoscope | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7658710B2 | Endoscope system using normal light and fluorescence | Human Necessities | 8 | Active |
| US6790174B2 | Fluorescent imaging device | Electricity | 7 | Expired |
| US7670286B2 | Electronic endoscopic device having a color balance adjustment system | Human Necessities | 5 | Expired |
| US7450159B2 | Image pick-up apparatus and endoscope apparatus | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.