Hiroshi Hamada
183Patents
33h-index
196Co-inventors
93Inventor score
Filing activity: Jan 26, 1976 → May 26, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5911008A | Scheme for detecting shot boundaries in compressed video data using inter-frame/inter-field prediction coding and intra-frame/intra-field coding | Electricity | 222 | Expired |
| US4914553A | Lighting device | Physics | 211 | Expired |
| US5161042A | Color liquid crystal display device using dichroic mirrors for focusing different colors in different directions | Physics | 174 | Expired |
| US5054103A | Picture encoding system | Electricity | 167 | Expired |
| US5144288A | Color liquid-crystal display apparatus using delta configuration of picture elements | Physics | 139 | Expired |
| US5459592A | Projection display system including a collimating tapered waveguide or lens with the normal to optical axis angle increasing toward the lens center | Physics | 125 | Expired |
| US5956001A | Image display device | Electricity | 114 | Expired |
| US4651148A | Liquid crystal display driving with switching transistors | Physics | 98 | Expired |
| US5006840A | Color liquid-crystal display apparatus with rectilinear arrangement | Physics | 96 | Expired |
| US6192183A | Video editing scheme using icons directly obtained from coded video data | Electricity | 87 | Expired |
| US4679909A | Liquid crystal input/output matrix panel | Physics | 71 | Expired |
| US5225935A | Optical device having a microlens and a process for making microlenses | Performing Operations; Transporting | 64 | Expired |
| US5052783A | Projection type image display apparatus | Physics | 63 | Expired |
| US5561538A | Direct-view display apparatus | Physics | 62 | Expired |
| US5028122A | Liquid crystal active-matrix display device | Physics | 61 | Expired |
| US4706173A | Lighting apparatus | Physics | 59 | Expired |
| US5633737A | Projection-type color liquid crystal display having two micro-lens arrays | Physics | 57 | Expired |
| US5056912A | Projection type image display apparatus | Electricity | 56 | Expired |
| US5311205A | Color liquid-crystal display apparatus with rectilinear arrangement | Physics | 53 | Expired |
| US6243419A | Scheme for detecting captions in coded video data without decoding coded video data | Physics | 53 | Expired |
| US5548349A | Transmission type color liquid display apparatus with first and second lens layers located between a white light source and the display device | Physics | 47 | Expired |
| US5982552A | Planar microlens array having high converging efficiency | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6084647A | Liquid crystal display device | Electricity | 45 | Expired |
| US4396253A | Electro-chromic display devices | Physics | 43 | Expired |
| US5299038A | LCD with heat conductor from light source to separate portion of light guide | Physics | 43 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.