Harumi Sawada

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface luminous lighting unit
- Patent number 5,359,503
- Issue date Oct 25, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Osamu Myodo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS