Inventor · disambiguated record
Hideaki Ema
Also filed as: EMA HIDEAKI
14 granted patents·328 citations·filing 1978–1996
93Inventor score
Files withRICOH KK14
Top patents by PatentIndex Score
14 records- 0196US4823001AMethod of measuring the amount of movement of an object having uniformly periodic structureRICOH KK·Filed 1987·Granted Apr 18, 1989·94 cites·9 claims
- 0295US5432534AReversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording mediumRICOH KK·Filed 1994·Granted Jul 11, 1995·65 cites·2 claims
- 0390US5296439AReversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording mediumRICOH KK·Filed 1991·Granted Mar 22, 1994·43 cites·32 claims
- 0482US4286035AHalogen doped selenium-tellurium alloy electrophotographic photoconductorRICOH KK·Filed 1980·Granted Aug 25, 1981·27 cites·6 claims
- 0581US4840922AMethod of manufacturing masked semiconductor laserRICOH KK·Filed 1987·Granted Jun 20, 1989·30 cites·36 claims
- 0670US5395433AReversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording mediumRICOH KK·Filed 1993·Granted Mar 7, 1995·12 cites·2 claims
- 0768US4603087AFixing rollRICOH KK·Filed 1984·Granted Jul 29, 1986·20 cites·6 claims
- 0861US5739077ATransparent thermal recording mediumRICOH KK·Filed 1996·Granted Apr 14, 1998·12 cites·2 claims
- 0949US5741752ATransparent thermal recording mediumRICOH KK·Filed 1995·Granted Apr 21, 1998·7 cites·7 claims
- 1048US4379820AElectrophotographic photoconductor of halogen-doped Se-Te alloy layersRICOH KK·Filed 1981·Granted Apr 12, 1983·7 cites·4 claims
- 1140US4225648AElectrophotographic light-sensitive memberRICOH KK·Filed 1978·Granted Sep 30, 1980·3 cites·7 claims
- 1239US6656879B2Method of reversible selective manifestation of different states of functional elementRICOH KK·Filed 1993·Granted Dec 2, 2003·2 cites·9 claims
- 1336US4469771AElectrophotographic light-sensitive member with thin overlayerRICOH KK·Filed 1982·Granted Sep 4, 1984·4 cites·1 claims
- 1435US4191568APhotosensitive material for electrophotography with dye containing overlayerRICOH KK·Filed 1978·Granted Mar 4, 1980·2 cites·10 claims
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