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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Switch monitoring device, switch state detection circuit, and a veh...
Patent number
10,923,297
Issue date
Feb 16, 2021
Rohm Co., Ltd.
Hiroyoshi Ishida
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Switch state detection circuit and switch system
Patent number
9,543,084
Issue date
Jan 10, 2017
Rohm Co., Ltd.
Tomoki Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit control device, circuit system, switch state detection circ...
Patent number
9,461,460
Issue date
Oct 4, 2016
Rohm Co., Ltd.
Tomoki Yamamoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of manufacturing GaN-based film and composite substrate used...
Patent number
8,962,365
Issue date
Feb 24, 2015
Sumitomo Electric Industies, Ltd.
Issei Satoh
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing GaN-based film
Patent number
8,697,550
Issue date
Apr 15, 2014
Sumitomo Electric Industries, Ltd.
Issei Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing GaN-based film
Patent number
8,658,517
Issue date
Feb 25, 2014
Sumitomo Electric Industries, Ltd.
Issei Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing GaN-based semiconductor device
Patent number
8,633,087
Issue date
Jan 21, 2014
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device and manufacturing method thereof
Patent number
8,605,769
Issue date
Dec 10, 2013
Sumitomo Electric Industries, Ltd.
Susumu Yoshimoto
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Surface-emitting laser element, fabrication method thereof, surface...
Patent number
8,274,088
Issue date
Sep 25, 2012
Sumitomo Electric Industries, Ltd
Hideki Matsubara
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optoelectric conversion module, method for assembling same, and opt...
Patent number
8,235,603
Issue date
Aug 7, 2012
Sumitomo Electric Industries, Ltd.
Mitsuaki Tamura
G02 - OPTICS
Information
Patent Grant
Photonic crystal laser and method of manufacturing photonic crystal...
Patent number
8,155,163
Issue date
Apr 10, 2012
Sumitomo Electric Industries, Ltd
Hirohisa Saito
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of fabricating semiconductor laser
Patent number
8,012,780
Issue date
Sep 6, 2011
Sumitomo Electric Industries, Ltd
Susumu Yoshimoto
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor light-emitting device, method of manufacturing transp...
Patent number
6,876,003
Issue date
Apr 5, 2005
Sumitomo Electric Industries, Ltd.
Takao Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing transparent conductor film and compound sem...
Patent number
6,872,649
Issue date
Mar 29, 2005
Sumitomo Electric Industries, Ltd.
Takao Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emission apparatus and method of fabricating the same
Patent number
6,741,029
Issue date
May 25, 2004
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device
Patent number
6,642,547
Issue date
Nov 4, 2003
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Substrate-fluorescent LED
Patent number
6,509,651
Issue date
Jan 21, 2003
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making ZnSe based light emitting device with in layer usi...
Patent number
6,465,273
Issue date
Oct 15, 2002
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode and manufacturing method thereof
Patent number
6,420,731
Issue date
Jul 16, 2002
Sumitomo Electric Industries, Ltd.
Koji Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
White color light emitting diode and neutral color light emitting d...
Patent number
6,337,536
Issue date
Jan 8, 2002
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer and compound semiconductor light emitting device, a...
Patent number
5,864,573
Issue date
Jan 26, 1999
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxial wafer and method of preparing the same
Patent number
5,843,590
Issue date
Dec 1, 1998
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor light emitting device and method of preparin...
Patent number
5,756,374
Issue date
May 26, 1998
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor light emitting device and method of preparin...
Patent number
5,665,986
Issue date
Sep 9, 1997
Sumitomo Electric Industries, Ltd.
Yoshiki Miura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION SYSTEM
Publication number
20240205187
Publication date
Jun 20, 2024
Rohm Co., Ltd.
Hideki MATSUBARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SEMICONDUCTOR DEVICE AND ULTRASONIC SENSOR
Publication number
20240001404
Publication date
Jan 4, 2024
Rohm Co., Ltd.
Hideki MATSUBARA
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Application
SWITCH MONITORING DEVICE, SWITCH STATE DETECTION CIRCUIT, AND A VEH...
Publication number
20190066938
Publication date
Feb 28, 2019
Rohm Co., Ltd.
Hiroyoshi Ishida
B60 - VEHICLES IN GENERAL
Information
Patent Application
Method of Manufacturing GaN-Based Film and Composite Substrate Used...
Publication number
20150118830
Publication date
Apr 30, 2015
Sumitomo Electric Industries, Ltd.
Issei Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCH STATE DETECTION CIRCUIT AND SWITCH SYSTEM
Publication number
20140300208
Publication date
Oct 9, 2014
Rohm Co., Ltd.
Tomoki Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CIRCUIT CONTROL DEVICE, CIRCUIT SYSTEM, SWITCH STATE DETECTION CIRC...
Publication number
20140293487
Publication date
Oct 2, 2014
Rohm Co., Ltd.
Tomoki YAMAMOTO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COMPOSITE GaN SUBSTRATE, METHOD FOR MANUFACTURING COMPOSITE GaN SUB...
Publication number
20130175543
Publication date
Jul 11, 2013
Sumitomo Electric Industries, Ltd.
Makoto Kiyama
C30 - CRYSTAL GROWTH
Information
Patent Application
PROTECTIVE-FILM-ATTACHED COMPOSITE SUBSTRATE AND METHOD OF MANUFACT...
Publication number
20130168693
Publication date
Jul 4, 2013
Sumitomo Electric Industries, Ltd.
Issei Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WHITE REFLECTIVE FLEXIBLE PRINTED CIRCUIT BOARD
Publication number
20130163253
Publication date
Jun 27, 2013
Sumitomo Electric Industries, Ltd.
Hirohisa Saito
F21 - LIGHTING
Information
Patent Application
METHOD OF MANUFACTURING GaN-BASED FILM AND COMPOSITE SUBSTRATE USED...
Publication number
20130149847
Publication date
Jun 13, 2013
Sumitomo Electric Industries, Ltd.
Issei Satoh
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD OF MANUFACTURING GaN-BASED SEMICONDUCTOR DEVICE
Publication number
20130137220
Publication date
May 30, 2013
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT SOURCE UNIT, BACKLIGHT UNIT, AND FLAT PANEL DISPLAY DEVICE
Publication number
20130083513
Publication date
Apr 4, 2013
Sumitomo Electric Industries, Ltd.
Hirohisa Saito
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING GaN-BASED FILM
Publication number
20130040442
Publication date
Feb 14, 2013
Sumitomo Electric Industries, Ltd.
Issei Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GROUP III NITRIDE COMPOSITE SUBSTRATE
Publication number
20130032928
Publication date
Feb 7, 2013
Sumitomo Electric Industries, Ltd.
Issei Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SE...
Publication number
20110012160
Publication date
Jan 20, 2011
Sumitomo Electric Industries, Ltd.
Hiroyuki Kitabayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTOELECTRIC CONVERSION MODULE, METHOD FOR ASSEMBLING SAME, AND OPT...
Publication number
20100220963
Publication date
Sep 2, 2010
Sumitomo Electric Industries, Ltd.
Mitsuaki Tamura
G02 - OPTICS
Information
Patent Application
SURFACE-EMITTING LASER ELEMENT, FABRICATION METHOD THEREOF, SURFACE...
Publication number
20100172390
Publication date
Jul 8, 2010
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
B82 - NANO-TECHNOLOGY
Information
Patent Application
PHOTONIC CRYSTAL LASER AND METHOD OF MANUFACTURING PHOTONIC CRYSTAL...
Publication number
20100103972
Publication date
Apr 29, 2010
Sumitomo Electric Industries, Ltd.
Hirohisa Saito
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD OF FABRICATING SEMICONDUCTOR LASER
Publication number
20090047751
Publication date
Feb 19, 2009
Sumitomo Electric Industries, Ltd.
Susumu Yoshimoto
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor Laser Device and Manufacturing Method Thereof
Publication number
20070280318
Publication date
Dec 6, 2007
OSAKA WORKS OF SUMITOMO ELECTRIC INDUSTRIES, LTD.
Susumu Yoshimoto
G02 - OPTICS
Information
Patent Application
Semiconductor light-emitting device
Publication number
20040238811
Publication date
Dec 2, 2004
Takao Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ZnSe based light emitting device with In layer
Publication number
20040214363
Publication date
Oct 28, 2004
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing transparent conductor film and compound sem...
Publication number
20030166308
Publication date
Sep 4, 2003
Sumitomo Electric Industries, Ltd.
Takao Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emitting device
Publication number
20030008431
Publication date
Jan 9, 2003
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emission apparatus and method of fabricating the same
Publication number
20020190637
Publication date
Dec 19, 2002
Sumitomo Electric Industries, Ltd.
Hideki Matsubara
H01 - BASIC ELECTRIC ELEMENTS