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Takahiro KANAI
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Kamakura, JP
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last 30 patents
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Patent Grant
Etching solution, additive, and etching method
Patent number
11,254,870
Issue date
Feb 22, 2022
Kabushiki Kaisha Toshiba
Masaaki Hirakawa
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
ETCHING SOLUTION, ADDITIVE, AND ETCHING METHOD
Publication number
20200308485
Publication date
Oct 1, 2020
KABUSHIKI KAISHA TOSHIBA
Masaaki HIRAKAWA
H01 - BASIC ELECTRIC ELEMENTS