Takerou Ishizaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble alkali metal sulfonate-substituted binaphthylphosphin...
- Patent number 5,324,861
- Issue date Jun 28, 1994
- Takasago International Corporation
- Takerou Ishizaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble alkali metal sulfonate-substituted binaphthylphosphin...
- Patent number 5,274,146
- Issue date Dec 28, 1993
- Takasago International Corporation
- Takerou Ishizaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,2'-bis(di-(3,5-dialkylphenyl)phosphino)-1,1'-binaphthyl and trans...
- Patent number 5,223,632
- Issue date Jun 29, 1993
- Takasago International Corporation
- Takerou Ishizaki
- C07 - ORGANIC CHEMISTRY