Dai Sugimoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Low-pressure mercury resonance radiation source
- Patent number 4,974,227
- Issue date Nov 27, 1990
- Nippon Seiko Kabushiki Kaisha
- Masahiro Saita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY