Hiroaki Fukuda

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Original document size detecting arrangement
- Patent number 4,614,874
- Issue date Sep 30, 1986
- Sharp Kabushiki Kaisha
- Hiroaki Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contrast controllable electrochromic display driver circuit
- Patent number 4,364,041
- Issue date Dec 14, 1982
- Sharp Kabushiki Kaisha
- Hiroaki Fukuda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Charger using one or more solar batteries
- Patent number 4,311,953
- Issue date Jan 19, 1982
- Sharp Kabushiki Kaisha
- Hiroaki Fukuda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Initial bleach in an electrochromic display
- Patent number 4,291,399
- Issue date Sep 22, 1981
- Sharp Kabushiki Kaisha
- Shigeki Imai
- G02 - OPTICS