Kazuhiro Ogawa
59Patents
22h-index
38Co-inventors
88Inventor score
Filing activity: Dec 2, 1991 → Mar 29, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6266116A | In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions | Physics | 256 | Expired |
| US5870160A | In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity | Physics | 230 | Expired |
| US5668379A | Active matrix crystal display apparatus using thin film transistor | Physics | 195 | Expired |
| US6034757A | In-plane field type liquid crystal display device comprising a structure which is prevented from charging electricity | Physics | 116 | Expired |
| US5294811A | Thin film semiconductor device having inverted stagger structure, and device having such semiconductor device | Electricity | 113 | Expired |
| US6108066A | In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity | Physics | 98 | Expired |
| US5760857A | In-plane field type liquid crystal display device with delta arrangement of three primary color pixels | Physics | 93 | Expired |
| US5760854A | Liquid crystal display apparatus | Physics | 90 | Expired |
| US6266117A | Active-matrix liquid crystal display | Physics | 86 | Expired |
| US5754266A | Liquid crystal display device with wide viewing angle characteristics | Physics | 80 | Expired |
| US5760856A | In-plane field type liquid crystal display device with light shielding pattern suitable for high aperture ratio | Physics | 66 | Expired |
| US5956111A | Liquid crystal display device with parallel field having particular spacing and width | Physics | 64 | Expired |
| US5929958A | Liquid crystal display device with wide viewing angle characteristics | Physics | 63 | Expired |
| US5978059A | Liquid crystal display device with wide viewing angle characteristics | Physics | 52 | Expired |
| US6049369A | Parallel-field TFT LCD having reference electrodes and a conductive layer | Physics | 40 | Expired |
| US6201590A | Liquid crystal display device with double-layered structure for gate line and/or data line | Physics | 34 | Expired |
| US6064460A | LCD with parallel field having counter electrode(s) at least equal to 1/2 width of video signal line | Physics | 31 | Expired |
| US6417906B2 | Liquid crystal display device with wide viewing angle characteristics | Physics | 31 | Expired |
| US5751381A | Active matrix LCD device with image signal lines having a multilayered structure | Electricity | 30 | Expired |
| US5734451A | Active matrix type liquid crystal display device with specific configurations of the reference electrode and/or the video signal line | Physics | 26 | Expired |
| US5694186A | Color liquid crystal display device having special relationship between its isochromatic viewing angle and half-brightness angle | Physics | 23 | Expired |
| US6532053B2 | Transverse electric field system liquid crystal display device suitable for improving aperture ratio | Physics | 23 | Expired |
| US6462799B2 | Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio | Physics | 20 | Expired |
| US6636282B2 | Liquid crystal display module and liquid crystal display monitor mounting the liquid crystal display module | Physics | 18 | Expired |
| US6831724B2 | Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio | Physics | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.