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Naohiro Shimada
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Kawasaki, JP
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last 30 patents
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Patent Grant
Multiple quantum well semiconductor laser diode and DVD system usin...
Patent number
6,292,502
Issue date
Sep 18, 2001
Kabushiki Kaisha Toshiba
Naohiro Shimada
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser device having uniform and reproducible laser ch...
Patent number
5,289,487
Issue date
Feb 22, 1994
Kabushiki Kaisha Toshiba
Naohiro Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated semiconductor laser device
Patent number
5,157,682
Issue date
Oct 20, 1992
Kabushiki Kaisha Toshiba
Naohiro Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device
Patent number
4,982,409
Issue date
Jan 1, 1991
Kabushiki Kaisha Toshiba
Hideaki Kinoshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transverse-mode stabilized semiconductor laser diode with slab-coup...
Patent number
4,799,228
Issue date
Jan 17, 1989
Kabushiki Kaisha Toshiba
Hiroko Nagasaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device having current confining and built-in wa...
Patent number
4,691,321
Issue date
Sep 1, 1987
Kabushiki Kaisha Toshiba
Nawoto Motegi
H01 - BASIC ELECTRIC ELEMENTS