Kenichi Ukai
11Patents
7h-index
20Co-inventors
66Inventor score
Filing activity: Nov 28, 1995 → Feb 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6066920A | Illumination device, method for driving the illumination device and display including the illumination device | Physics | 131 | Expired |
| US5808708A | Lighting apparatus | Emerging Cross-Sectional Technologies | 89 | Expired |
| US6412969B1 | Backlighting device and a method of manufacturing the same, and a liquid crystal display apparatus | Physics | 75 | Expired |
| US5694190A | Liquid crystal display device having light guiding plate disposed between circuit board and display panel | Physics | 23 | Expired |
| US6254244A | Luminaire and display using the same | Physics | 17 | Expired |
| US6609807B2 | Backlight and liquid crystal display device | Physics | 10 | Expired |
| US8300177B2 | Backlight device, liquid crystal display device and illuminating device | Physics | 8 | Active |
| US8964001B2 | Method for displaying measurement effective area in three-dimensional visual sensor and three-dimensional visual sensor | Electricity | 3 | Active |
| US10198179B2 | Program for character input system, character input device, and information processing device | Electricity | 2 | Active |
| US9001393B2 | Program for reading characters, and character reader as well as method for reading characters | Physics | 2 | Active |
| US11107474B2 | Character input device, character input method, and character input program | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.