Tsuguo Nanjo
19Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Nov 10, 1992 → Feb 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5543865A | Fundus camera with partially common coaxial observation and photographing optical systems | Human Necessities | 38 | Expired |
| US5757462A | Ophthalmic apparatus for photographing a section of an anterior part of an eye | Human Necessities | 30 | Expired |
| US5742374A | Fundus camera | Human Necessities | 29 | Expired |
| US5784146A | Ophthalmic measurement apparatus | Human Necessities | 27 | Expired |
| US5668621A | Hand-held fundus camera with shared light path | Human Necessities | 21 | Expired |
| US5355253A | Stereoscopic retinal camera | Human Necessities | 20 | Expired |
| US5382988A | Stereoscopic retinal camera with focus detection system | Human Necessities | 19 | Expired |
| US5302988A | Stereoscopic retinal camera including vertically symmetrical apertures | Human Necessities | 11 | Expired |
| US5504542A | Stereoscopic retinal camera having judging mechanism of alignment condition | Human Necessities | 6 | Expired |
| US6729727B2 | Ophthalmic photographing apparatus | Human Necessities | 6 | Expired |
| US7506978B2 | Retinal function measurement apparatus | Human Necessities | 6 | Active |
| US9192514B2 | Medical instrument | Human Necessities | 4 | Active |
| US7052134B2 | Fundus camera | Human Necessities | 3 | Expired |
| US6134341A | Method for analyzing a stereoscopic image of a fundus, and an apparatus for executing that method | Human Necessities | 2 | Expired |
| US7658494B2 | Fundus camera | Human Necessities | 1 | Active |
| USRE44226E1 | Retinal function measurement apparatus | General | 1 | Active |
| US7431456B2 | Fundus camera | Human Necessities | 0 | Active |
| USRE45344E1 | Retinal function measurement apparatus | General | 0 | Active |
| US6487368B1 | Fundus photographing device | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.