Fujio Okumura
95Patents
15h-index
53Co-inventors
87Inventor score
Filing activity: Apr 29, 1983 → Nov 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5051570A | Liquid crystal light valve showing an improved display contrast | Physics | 180 | Expired |
| US6377715B1 | Data inputting device | Electricity | 97 | Expired |
| US8648911B2 | Communication system, control device, and reception device | Electricity | 83 | Active |
| US8587680B2 | Communication system, transmission device and reception device | Physics | 72 | Active |
| US5363118A | Driver integrated circuits for active matrix type liquid crystal displays and driving method thereof | Physics | 64 | Expired |
| US4850677A | Liquid crystal display device having improved electrodes for a multi-tone image | Physics | 54 | Expired |
| US5568163A | Apparatus for driving gate storage type liquid crystal, display panel capable of simultaneously driving two scan lines | Physics | 46 | Expired |
| US5191453A | Active matrix substrate for liquid-crystal display and method of fabricating the active matrix substrate | Electricity | 35 | Expired |
| US8690335B2 | Display apparatus which displays the first image and the synthesized image with circular polarizations having different senses of rotation from each other | Electricity | 35 | Active |
| US5751279A | Active matrix type liquid crystal display and method driving the same | Physics | 29 | Expired |
| US5479208A | Image sensors and driving method thereof | Electricity | 28 | Expired |
| US5300449A | Active matrix substrate for liquid-crystal display and method of fabricating the active matrix substrate | Electricity | 23 | Expired |
| US5708471A | Image sensors and driving method thereof | Electricity | 21 | Expired |
| US4575638A | Thin film photoelectric converting device | Electricity | 20 | Expired |
| US5517150A | Analog switch formed of thin film transistor and having reduced leakage current | Physics | 18 | Expired |
| US5867141A | Driving method for liquid crystal display of gate storage structure | Physics | 15 | Expired |
| US7973749B2 | Display device, terminal device, and display panel | Physics | 12 | Active |
| US7349043B2 | Light source, display device, portable terminal device, and ray direction switching element | Physics | 10 | Expired |
| US6407418B1 | Semiconductor device, method of manufacturing the same, image sensor apparatus having the same and image reader having the same | Electricity | 9 | Expired |
| US6893987B2 | Simple process for fabricating semiconductor devices | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4884875A | Liquid crystal light valve showing an improved display contrast | Physics | 8 | Expired |
| US6137465A | Drive circuit for a LCD device | Physics | 8 | Expired |
| US5933550A | Data inputting device | Electricity | 8 | Expired |
| US8780300B2 | Optical member, light source apparatus, display apparatus, and terminal apparatus | Physics | 6 | Active |
| US9285599B2 | Three-dimensional video viewing system, display system, optical shutter, and three-dimensional video viewing method | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.