Jun Takeuchi

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of forming super high-contrast negative images and silver h...
- Patent number 5,460,919
- Issue date Oct 24, 1995
- Dainippon Ink and Chemicals, Inc.
- Naoki Obi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process of forming super high-contrast negative images and silver h...
- Patent number 5,372,911
- Issue date Dec 13, 1994
- Dainippon Ink and Chemicals, Inc.
- Naoki Obi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY