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Kazumi Unno
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Led display device
Patent number
6,229,834
Issue date
May 8, 2001
Kabushiki Kaisha Toshiba
Katsuhiko Nisitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device with blocking layer
Patent number
5,744,828
Issue date
Apr 28, 1998
Kabushiki Kaisha Toshiba
Hideki Nozaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
LED display device
Patent number
5,732,098
Issue date
Mar 24, 1998
Kabushiki Kaisha Toshiba
Katsuhiko Nisitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting element and method for manufacturing t...
Patent number
5,639,674
Issue date
Jun 17, 1997
Kabushiki Kaisha Toshiba
Hideki Nozaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting element and method for manufacturing t...
Patent number
5,488,235
Issue date
Jan 30, 1996
Kabushiki Kaisha Toshiba
Hideki Nozaki
H01 - BASIC ELECTRIC ELEMENTS