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Nobuyuki Uemura
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Takatsuki, JP
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last 30 patents
Information
Patent Grant
Semiconductor device and optical pickup device
Patent number
6,810,057
Issue date
Oct 26, 2004
Matsushita Electric Industrial Co., Ltd.
Kunio Itoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Substrate containing compound semiconductor, method for manufacturi...
Patent number
6,344,375
Issue date
Feb 5, 2002
Matsushita Electric Industrial Co., Ltd.
Kenji Orita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor and a semiconductor light-e...
Patent number
6,281,522
Issue date
Aug 28, 2001
Matsushita Electric Industrial Co., Ltd.
Akihiko Ishibashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride compound semiconductor light emitting device and pr...
Patent number
6,165,812
Issue date
Dec 26, 2000
Matsushita Electric Industrial Co., Ltd.
Akihiko Ishibashi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Methods of manufacturing semiconductor, semiconductor device and se...
Patent number
6,030,849
Issue date
Feb 29, 2000
Matsushita Electric Industrial Co. Ltd.
Yoshiaki Hasegawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor light-emitting device
Patent number
5,923,950
Issue date
Jul 13, 1999
Matsushita Electric Industrial Co., Inc.
Akihiko Ishibashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device
Patent number
5,923,690
Issue date
Jul 13, 1999
Matsushita Electric Industrial Co., Ltd.
Masahiro Kume
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser and production method thereof
Patent number
5,742,629
Issue date
Apr 21, 1998
Matsushita Electric Industrial Co., Ltd.
Takashi Nishikawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor light-emitting device and production method thereof,...
Patent number
5,705,831
Issue date
Jan 6, 1998
Matsushita Electric Industrial Co., Ltd.
Nobuyuki Uemura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser
Patent number
5,619,520
Issue date
Apr 8, 1997
Matsushita Electric Industrial Co., Ltd.
Yoichi Sasai
B82 - NANO-TECHNOLOGY