Susumu Tohata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reflection type overhead projector
- Patent number 4,636,050
- Issue date Jan 13, 1987
- Kabushiki Kaisha Gakushu Kenkyusha
- Susumu Tohata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY