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Tamotsu Yamashita
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Chiba, JP
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Patents Grants
last 30 patents
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Patent Grant
Boron phosphide-based semiconductor device, production method there...
Patent number
7,465,499
Issue date
Dec 16, 2008
Showa Denko K.K.
Takashi Udagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Formed substrate used for solid electrolytic capacitor, production...
Patent number
7,198,733
Issue date
Apr 3, 2007
Showa Denko K.K.
Hiroshi Konuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process of making carbon fiber with sharp ends
Patent number
6,527,988
Issue date
Mar 4, 2003
Showa Denko Kabushiki Kaisha
Toshio Morita
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Grant
Method for producing fine particles of metal oxide
Patent number
6,328,947
Issue date
Dec 11, 2001
Showa Denko K.K.
Ryuji Monden
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Carbonaceous fiber acute-angled at both ends and production process...
Patent number
6,221,489
Issue date
Apr 24, 2001
Showa Denko Kabushiki Kaisha
Toshio Morita
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
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Patent Application
Boron phosphide-based semiconductor device production method thereo...
Publication number
20050121693
Publication date
Jun 9, 2005
Takashi Udagawa
C30 - CRYSTAL GROWTH