Dainichi Seika Color & Chemicals Mfg. Co., Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing colored and exactly spherical fine-grains of p...
- Patent number 5,420,177
- Issue date May 30, 1995
- Dainichi Seika Color & Chemicals Mfg. Co., Ltd.
- Ken Ohkura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoreceptor comprising azo compound and coupler
- Patent number 4,912,001
- Issue date Mar 27, 1990
- Dainichi Seika Color & Chemicals Mfg. Co., Ltd.
- Hisao Kouno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparing a porous sheet material
- Patent number 4,510,186
- Issue date Apr 9, 1985
- Dainichi Seika Color & Chemicals Mfg. Co., Ltd.
- Katsumi Kuriyama
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

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