Kenji Maeda

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Production of coformycin and intermediates therefor
- Patent number 4,014,769
- Issue date Mar 29, 1977
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-N-[(S)-.alpha.-hydroxy-.omega.-aminoacyl]
- Patent number 4,001,208
- Issue date Jan 4, 1977
- Zaidan Hojin Biseibutsu Kagaku Kenkyo Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of a cyclic ureido-derivative of a deoxy...
- Patent number 3,965,089
- Issue date Jun 22, 1976
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of coformycin and intermediates therefor
- Patent number 3,959,257
- Issue date May 25, 1976
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2'-Di-N-substituted kanamycin B compounds
- Patent number 3,940,382
- Issue date Feb 24, 1976
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-N-isoserylkanamycins and the production thereof
- Patent number 3,939,143
- Issue date Feb 17, 1976
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY