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Patents Grants
last 30 patents
Information
Patent Grant
Nitride semiconductor light-emitting devices
Patent number
8,541,794
Issue date
Sep 24, 2013
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Superlattice nitride semiconductor LD device
Patent number
7,615,804
Issue date
Nov 10, 2009
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor device
Patent number
7,211,822
Issue date
May 1, 2007
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor growth method, nitride semiconductor substrat...
Patent number
6,940,103
Issue date
Sep 6, 2005
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nitride semiconductor device
Patent number
6,849,864
Issue date
Feb 1, 2005
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sm-fe-N based alloy powder and process for producing the same
Patent number
6,780,255
Issue date
Aug 24, 2004
Nichia Chemical Industries, Ltd.
Yohsiyuki Kawano
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Nitride semiconductor growth method, nitride semiconductor substrat...
Patent number
6,756,611
Issue date
Jun 29, 2004
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nitride semiconductor device
Patent number
6,677,619
Issue date
Jan 13, 2004
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor light-emitting devices
Patent number
6,580,099
Issue date
Jun 17, 2003
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based III-V group compound semiconductor
Patent number
6,507,041
Issue date
Jan 14, 2003
Nichia Chemical Industries, Ltd.
Shuji Nakamura
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconductor device
Patent number
6,469,323
Issue date
Oct 22, 2002
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sm-Fe-N alloy powder and process for the production thereof
Patent number
6,334,908
Issue date
Jan 1, 2002
Nichia Chemical Industries, Ltd.
Yohsiyuki Kawano
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconductor device
Patent number
6,215,133
Issue date
Apr 10, 2001
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based III-V group compound semiconductor device and...
Patent number
6,204,512
Issue date
Mar 20, 2001
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor light-emitting and light-receiving devices
Patent number
6,172,382
Issue date
Jan 9, 2001
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of growing nitride semiconductors, nitride semiconductor sub...
Patent number
6,153,010
Issue date
Nov 28, 2000
Nichia Chemical Industries Ltd.
Hiroyuki Kiyoku
C30 - CRYSTAL GROWTH
Information
Patent Grant
Gallium nitride-based III-V group compound semiconductor
Patent number
6,093,965
Issue date
Jul 25, 2000
Nichia Chemical Industries Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconductor device
Patent number
6,078,063
Issue date
Jun 20, 2000
Nichia Chemical Industries Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor device
Patent number
5,959,307
Issue date
Sep 28, 1999
Nichia Chemical Industries Ltd.
Shuji Nakamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconductor device
Patent number
5,880,486
Issue date
Mar 9, 1999
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based III-V group compound semiconductor
Patent number
5,877,558
Issue date
Mar 2, 1999
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low voltage electron beam display apparatus having brightness incre...
Patent number
5,861,713
Issue date
Jan 19, 1999
NEC Corporation
Yojiro Kondo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Lamp containing long decay phosphor
Patent number
5,859,496
Issue date
Jan 12, 1999
Nichia Chemical Industries, Ltd.
Yoshinori Murazaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nitride semiconductor light-emitting device
Patent number
5,777,350
Issue date
Jul 7, 1998
Nichia Chemical Industries, Ltd.
Shuji Nakamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Gallium nitride-based III-V group compound semiconductor
Patent number
5,767,581
Issue date
Jun 16, 1998
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconductor device
Patent number
5,747,832
Issue date
May 5, 1998
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconducor device
Patent number
5,734,182
Issue date
Mar 31, 1998
Nichia Chemical Industries Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride-based III-V group compound semiconductor
Patent number
5,652,434
Issue date
Jul 29, 1997
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process producing a polymer comprising an unsaturated carboxylic ac...
Patent number
5,627,244
Issue date
May 6, 1997
Sumitomo Chemical Co., Ltd.
Tsuneyuki Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light-emitting gallium nitride-based compound semiconductor device
Patent number
5,578,839
Issue date
Nov 26, 1996
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Nitride semiconductor growth method, nitride semiconductor substrat...
Publication number
20070057276
Publication date
Mar 15, 2007
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
C30 - CRYSTAL GROWTH
Information
Patent Application
Nitride semiconductor growth method, nitride semiconductor substrat...
Publication number
20050202682
Publication date
Sep 15, 2005
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
C30 - CRYSTAL GROWTH
Information
Patent Application
Nitride semiconductor device
Publication number
20050127394
Publication date
Jun 16, 2005
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
B82 - NANO-TECHNOLOGY
Information
Patent Application
Nitride semiconductor device
Publication number
20050121679
Publication date
Jun 9, 2005
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
B82 - NANO-TECHNOLOGY
Information
Patent Application
Nitride semiconductor growth method, nitride semiconductor substrat...
Publication number
20040094773
Publication date
May 20, 2004
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
C30 - CRYSTAL GROWTH
Information
Patent Application
Nitride semiconductor device
Publication number
20040004223
Publication date
Jan 8, 2004
Nichia Chemical Industries, Ltd.
Shinichi Nagahama
B82 - NANO-TECHNOLOGY
Information
Patent Application
Light-emitting gallium nitride-based compound semiconductor device
Publication number
20030216011
Publication date
Nov 20, 2003
Nichia Chemical Industries Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gallium nitride-based III-V group compound semiconductor
Publication number
20030094620
Publication date
May 22, 2003
Nichia Chemical Industries, Ltd.
Shuji Nakamura
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Nitride semiconductor growth method, nitride semiconductor substrat...
Publication number
20030037722
Publication date
Feb 27, 2003
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
B82 - NANO-TECHNOLOGY
Information
Patent Application
Nitride semiconductor device
Publication number
20030015724
Publication date
Jan 23, 2003
Nichia Chemical Industries, Ltd.
Shuji Nakamura
B82 - NANO-TECHNOLOGY
Information
Patent Application
Light-emitting gallium nitride-based compound semiconductor device
Publication number
20030006424
Publication date
Jan 9, 2003
Nichia Chemical Industries Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride semiconductor light-emitting device
Publication number
20020167019
Publication date
Nov 14, 2002
Nichia Chemical Industries, Ltd.
Shuji Nakamura
B82 - NANO-TECHNOLOGY
Information
Patent Application
Nitride semiconductor growth method, nitride semiconductor substrat...
Publication number
20020046693
Publication date
Apr 25, 2002
Nichia Chemical Industries, Ltd.
Hiroyuki Kiyoku
B82 - NANO-TECHNOLOGY
Information
Patent Application
Gallium nitride-based III-V group compound semiconductor
Publication number
20010022367
Publication date
Sep 20, 2001
Nichia Chemical Industries, Ltd.
Shuji Nakamura
H01 - BASIC ELECTRIC ELEMENTS
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