Shigeki Ozawa

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Mitaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oscilloscope having video signal input
- Patent number 5,808,464
- Issue date Sep 15, 1998
- Hitachi Denshi Kabushiki Kaisha
- Kazuya Natori
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS