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Takao Izawa
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Yono, JP
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last 30 patents
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Patent Grant
Dihydrate crystals of etoposide-2-dimethylamino compound hydrochlor...
Patent number
4,997,923
Issue date
Mar 5, 1991
Nippon Kayaku Kabushiki Kaisha
Takao Izawa
C07 - ORGANIC CHEMISTRY
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Patent Grant
Selenium oxy chloride-pyridine or bipyridine complexes
Patent number
4,824,955
Issue date
Apr 25, 1989
Nippon Kayaku Kabushiki Kaisha
Hisao Ekimoto
C07 - ORGANIC CHEMISTRY