Shigemasa Sato
31Patents
10h-index
38Co-inventors
75Inventor score
Filing activity: Nov 12, 1986 → Nov 24, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5765045A | Camera capable of detecting eye-gaze | Physics | 41 | Expired |
| US4743788A | Input frequency control device for surface acoustic wave motor | Electricity | 41 | Expired |
| US5623703A | Camera capable of detecting eye-gaze | Physics | 30 | Expired |
| US5333029A | Camera capable of detecting eye-gaze | Physics | 30 | Expired |
| US5144358A | Automatic focusing camera | Physics | 17 | Expired |
| US4908646A | Range measuring device for camera | Physics | 15 | Expired |
| US5649244A | Multi-function camera having color coordinated operational modes and manipulation members | Physics | 15 | Expired |
| US8767399B2 | Cooling system for electronic device | Electricity | 13 | Active |
| US5758201A | Camera having line of sight detecting device | Physics | 13 | Expired |
| US5526089A | Camera with sight line detecting device | Physics | 10 | Expired |
| US5422699A | Photographic camera with variable focal length | Physics | 9 | Expired |
| US8929073B2 | Boiling refrigerant type cooling system | Electricity | 9 | Active |
| US5552853A | Auto focusing apparatus in a camera | Physics | 9 | Expired |
| US5678066A | Camera with a visual line detection system | Physics | 8 | Expired |
| US5561497A | Auto focusing apparatus in a camera | Physics | 8 | Expired |
| US5537181A | Camera with an eye-gaze position detecting device | Physics | 5 | Expired |
| US5305046A | Multi-point distance measurement apparatus | Physics | 5 | Expired |
| US5563677A | Auto focusing apparatus in a camera | Physics | 4 | Expired |
| US9544988B2 | Boiling refrigerant type cooling system | Electricity | 4 | Active |
| US7653296B2 | Camera and exchangeable lens barrel with wireless communication function | Electricity | 4 | Active |
| US5640610A | Camera with a line-of-sight detecting device | Physics | 3 | Expired |
| US5491532A | Camera with device for detecting line of sight | Physics | 2 | Expired |
| USRE36895E | Automatic focusing camera | General | 2 | Expired |
| US5159376A | Automatic focus controlling apparatus | Physics | 2 | Expired |
| US5493361A | Focus correcting apparatus for an auto focus camera | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.