Yoshio Takeda

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Patents Grantslast 30 patents

Information Patent Grant
Dichoric dye for color liquid crystals having halogen substituted i...
- Patent number 4,780,531
- Issue date Oct 25, 1988
- Alps Electric Co., Ltd.
- Mitsuru Kano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichromatic coloring matter for a colored liquid crystal display el...
- Patent number 4,607,097
- Issue date Aug 19, 1986
- Alps Electric Co., Ltd.
- Mitsuru Kano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...