Hideaki Ema
14Patents
8h-index
28Co-inventors
68Inventor score
Filing activity: Feb 13, 1978 → Sep 17, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4823001A | Method of measuring the amount of movement of an object having uniformly periodic structure | Physics | 61 | Expired |
| US5432534A | Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium | Performing Operations; Transporting | 44 | Expired |
| US4286035A | Halogen doped selenium-tellurium alloy electrophotographic photoconductor | Physics | 27 | Expired |
| US5296439A | Reversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording medium | Performing Operations; Transporting | 26 | Expired |
| US4840922A | Method of manufacturing masked semiconductor laser | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4603087A | Fixing roll | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5739077A | Transparent thermal recording medium | Performing Operations; Transporting | 10 | Expired |
| US5395433A | Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium | Performing Operations; Transporting | 8 | Expired |
| US5741752A | Transparent thermal recording medium | Performing Operations; Transporting | 6 | Expired |
| US4379820A | Electrophotographic photoconductor of halogen-doped Se-Te alloy layers | Physics | 6 | Expired |
| US4469771A | Electrophotographic light-sensitive member with thin overlayer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4225648A | Electrophotographic light-sensitive member | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4191568A | Photosensitive material for electrophotography with dye containing overlayer | Physics | 2 | Expired |
| US6656879B2 | Method of reversible selective manifestation of different states of functional element | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.