Akihiro Okuma

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Ikoma, JP

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Patents Grantslast 30 patents

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Method for developing electrostatic image using magnetic brush and...
- Patent number 4,689,285
- Issue date Aug 25, 1987
- Matsushita Electric Industrial Co., Ltd.
- Yasuhito Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY