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Yoshimi Takashima
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Akishima, JP
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last 30 patents
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Patent Grant
2,6,7,8-Substituted quinazolines, process for production thereof, a...
Patent number
4,517,189
Issue date
May 14, 1985
Showa Denko K.K.
Masayuki Ishikawa
C07 - ORGANIC CHEMISTRY
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Patent Grant
1-Phthalazone derivatives, and use thereof
Patent number
4,293,553
Issue date
Oct 6, 1981
Ishikawa; Masayuki
Masayuki Ishikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-Aromatic moiety substituted-4(3H)-quinazolinones, process for pro...
Patent number
4,276,295
Issue date
Jun 30, 1981
Ishikawa; Masayuki
Masayuki Ishikawa
C07 - ORGANIC CHEMISTRY