Takako Tsukahara

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Azo metal chelate compound
- Patent number 5,532,342
- Issue date Jul 2, 1996
- Mitsubishi Chemical Corporation
- Tameichi Ochiai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal chelate compound and optical recording medium using the compound
- Patent number 5,447,823
- Issue date Sep 5, 1995
- Mitsubishi Chemical Corporation
- Tameichi Ochiai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical recording medium comprising a dye-incorporated composition
- Patent number 5,389,419
- Issue date Feb 14, 1995
- Mitsubishi Kasei Corporation
- Shuichi Maeda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dye-incorporated composition
- Patent number 5,330,542
- Issue date Jul 19, 1994
- Mitsubishi Kasei Corporation
- Shuichi Maeda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...