Masahiro Maeda

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Toyokawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Illumination control apparatus for projection device
- Patent number 4,278,334
- Issue date Jul 14, 1981
- Minolta Camera Kabushiki Kaisha
- Masahiro Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focus adjusting mechanism for variable magnification device
- Patent number 4,204,732
- Issue date May 27, 1980
- Minolta Camera Kabushiki Kaisha
- Masahiro Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY