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Masayuki Sonobe
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Ukyo-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting semiconductor device having an improved outward lumi...
Patent number
8,415,682
Issue date
Apr 9, 2013
Rohm Co., Ltd.
Yasuo Nakanishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device and process for producing the same
Patent number
8,222,655
Issue date
Jul 17, 2012
Rohm Co., Ltd.
Kazuaki Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device and method for manufacturing th...
Patent number
8,124,985
Issue date
Feb 28, 2012
Rohm Co., Ltd.
Mitsuhiko Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor light emitting device
Patent number
8,093,606
Issue date
Jan 10, 2012
Rohm Co., Ltd.
Masayuki Sonobe
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor light emitting device
Patent number
8,030,669
Issue date
Oct 4, 2011
Rohm Co., Ltd.
Yukio Shakuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting element array illuminator using the same
Patent number
7,501,662
Issue date
Mar 10, 2009
Rohm Co., Ltd.
Masayuki Sonobe
F21 - LIGHTING
Information
Patent Grant
Semiconductor light emitting device
Patent number
7,375,380
Issue date
May 20, 2008
Rohm Co., Ltd.
Hirokazu Asahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
III-V nitride semiconductor laser device
Patent number
6,983,003
Issue date
Jan 3, 2006
Rohm Co., Ltd.
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor device and method for manufacturing the same
Patent number
6,693,303
Issue date
Feb 17, 2004
Pioneer Corporation
Hiroyuki Ota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device and method for manufacturing th...
Patent number
6,670,204
Issue date
Dec 30, 2003
Rohm, Co., Ltd.
Tetsuhiro Tanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device
Patent number
6,469,320
Issue date
Oct 22, 2002
Rohm, Co., Ltd.
Tetsuhiro Tanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fabrication of semiconductor light emitting device
Patent number
6,258,619
Issue date
Jul 10, 2001
Rohm LTD
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing semiconductor light emitting device
Patent number
6,197,609
Issue date
Mar 6, 2001
Rohm Co., Ltd.
Tsuyoshi Tsutsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device and method of manufacturing the...
Patent number
6,194,241
Issue date
Feb 27, 2001
Rohm Co., Ltd.
Tsuyoshi Tsutsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device and method of manufacturing the...
Patent number
6,191,437
Issue date
Feb 20, 2001
Rohm Co., Ltd.
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor light emitting device
Patent number
6,168,962
Issue date
Jan 2, 2001
Rohm Co., Ltd.
Norikazu Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor light emitting device
Patent number
6,156,584
Issue date
Dec 5, 2000
Rohm Co., Ltd.
Norikazu Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device
Patent number
6,107,644
Issue date
Aug 22, 2000
Rohm Co., Ltd.
Yukio Shakuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device having a protecting device
Patent number
6,054,716
Issue date
Apr 25, 2000
Rohm Co., Ltd.
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device
Patent number
5,939,735
Issue date
Aug 17, 1999
Rohm Co., Ltd.
Tsuyoshi Tsutsui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photoresist pattern formation through etching where the imaging exp...
Patent number
5,366,849
Issue date
Nov 22, 1994
Rohm Co., Ltd.
Yoshikazu Nakagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD FOR MANUFAC...
Publication number
20100133506
Publication date
Jun 3, 2010
ROHM CO., LTD.
Yasuo Nakanishi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Method for Manufacturing InGaN
Publication number
20100035410
Publication date
Feb 11, 2010
ROHM CO., LTD.
Masayuki Sonobe
C30 - CRYSTAL GROWTH
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
Publication number
20100019257
Publication date
Jan 28, 2010
Rohm Co., Ltd.
Mitsuhiko Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Light Emitting Device
Publication number
20090278144
Publication date
Nov 12, 2009
Masayuki Sonobe
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor Light-Emitting Device and Process for Producing the Same
Publication number
20090272992
Publication date
Nov 5, 2009
Rohn Co., LTD.
Kazuaki Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Light Emitting Device
Publication number
20090206357
Publication date
Aug 20, 2009
Rohm Co., Ltd.
Norikazu Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emitting semiconductor device and fabrication method for the...
Publication number
20090166608
Publication date
Jul 2, 2009
ROHM CO., LTD.
Yasuo Nakanishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Light Emitting Device
Publication number
20090127572
Publication date
May 21, 2009
ROHM CO., LTD.
Haruo Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride Semiconductor Device and Method for Manufacturing the Same
Publication number
20090121240
Publication date
May 14, 2009
ROHM CO., LTD.
Yukio Shakuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride-Based Semiconductor Device
Publication number
20090014839
Publication date
Jan 15, 2009
Rohm Co., Ltd.
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Light Emitting Device and Method for Manufacturing th...
Publication number
20080258166
Publication date
Oct 23, 2008
Mitsuhiko Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Light Emitting Device
Publication number
20070284598
Publication date
Dec 13, 2007
Yukio Shakuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting element
Publication number
20070278474
Publication date
Dec 6, 2007
ROHM CO., LTD.
Kazuaki Tsutsumi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor Light Emitting Device
Publication number
20070278502
Publication date
Dec 6, 2007
Rohm Co., Ltd.
Yukio Shakuda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Semiconductor light emitting element array illuminator using the same
Publication number
20070262323
Publication date
Nov 15, 2007
ROHM CO., LTD.
Masayuki Sonobe
F21 - LIGHTING
Information
Patent Application
Semiconductor Light Emitting Device
Publication number
20070257268
Publication date
Nov 8, 2007
Yukio Shakuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING ELEMENT
Publication number
20070122994
Publication date
May 31, 2007
Rohm Co., Ltd.
Masayuki SONOBE
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor light emitting device and method for manufacturing th...
Publication number
20070108519
Publication date
May 17, 2007
Norikazu Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting device
Publication number
20070102692
Publication date
May 10, 2007
Hirokazu Asahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting device
Publication number
20060273335
Publication date
Dec 7, 2006
Hirokazu Asahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride semiconductor device and method for manufacturing the same
Publication number
20030001161
Publication date
Jan 2, 2003
Pioneer Corporation
Hiroyuki Ota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting device and method for manufacturing th...
Publication number
20030001163
Publication date
Jan 2, 2003
ROHM CO., LTD.
Tetsuhiro Tanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
III-V nitride semiconductor laser device
Publication number
20020071465
Publication date
Jun 13, 2002
Rohm Co., Ltd. and Pioneer Corporation
Masayuki Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting device and method for manufacturing th...
Publication number
20020005521
Publication date
Jan 17, 2002
Tetsuhiro Tanabe
H01 - BASIC ELECTRIC ELEMENTS