Yuzuru Doi
12Patents
10h-index
12Co-inventors
69Inventor score
Filing activity: Oct 12, 1977 → Oct 27, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4971034A | Body cavity pressure adjusting device for endoscope and laser medical treatment apparatus including body cavity pressure adjusting device | Human Necessities | 173 | Expired |
| US4461283A | Endoscopic laser coagulator | Human Necessities | 161 | Expired |
| US6033359A | Endoscopic length-measuring tool | Human Necessities | 65 | Expired |
| US4543477A | Safety device for detecting trouble in optical transmission fibers | Physics | 52 | Expired |
| US4421382A | Fiber retaining device for power laser | Physics | 42 | Expired |
| US4676242A | Laser knife | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4385832A | Laser power transmitting optical fiber damage detecting device | Electricity | 27 | Expired |
| US5058603A | Length-measuring device and reference color display device for color tone adjustment for use in combination with endoscope | Human Necessities | 21 | Expired |
| US4716288A | Security device for detecting defects in transmitting fiber | Human Necessities | 14 | Expired |
| US4730885A | Laser fiber connector | Physics | 12 | Expired |
| US4783787A | Laser beam generating device with multiple power levels | Human Necessities | 9 | Expired |
| US4132036A | Adjusting structure in an aspheric lens grinding apparatus | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.