Kei Fujii

Person

Itami-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vertical cavity surface emitting laser and method for manufacturing...
- Patent number 10,938,181
- Issue date Mar 2, 2021
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity surface emitting laser, method for fabricating vert...
- Patent number 10,594,110
- Issue date Mar 17, 2020
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor layered structure, method for producing semiconductor...
- Patent number 9,887,310
- Issue date Feb 6, 2018
- Sumitomo Electric Industries, Ltd
- Katsushi Akita
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor device, optical sensor device and semiconductor devic...
- Patent number 9,818,895
- Issue date Nov 14, 2017
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Epitaxial wafer and method for manufacturing same
- Patent number 9,773,932
- Issue date Sep 26, 2017
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Epitaxial wafer, method for producing the same, semiconductor eleme...
- Patent number 9,698,287
- Issue date Jul 4, 2017
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for manufacturing the same
- Patent number 9,680,040
- Issue date Jun 13, 2017
- Sumitomo Electric Industries, Ltd.
- Kaoru Shibata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor element and method for producing the same
- Patent number 9,608,148
- Issue date Mar 28, 2017
- Sumitomo Electric Industries, Ltd
- Takashi Kyono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photodiode, optical sensor device, and photodiode manufacturing method
- Patent number 9,190,544
- Issue date Nov 17, 2015
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Epitaxial wafer, method for producing the same, photodiode, and opt...
- Patent number 9,171,978
- Issue date Oct 27, 2015
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group III-V compound semiconductor photo detector, method of fabric...
- Patent number 9,159,853
- Issue date Oct 13, 2015
- Sumitomo Electric Industries, Ltd
- Katsushi Akita
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Epitaxial wafer, photodiode, optical sensor device, and methods for...
- Patent number 9,129,808
- Issue date Sep 8, 2015
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device
- Patent number 9,123,843
- Issue date Sep 1, 2015
- Sumitomo Electric Industries, Ltd
- Takashi Kyono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device, optical sensor device and semiconductor devic...
- Patent number 9,040,955
- Issue date May 26, 2015
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light receiving element, light receiving element array, hybrid-type...
- Patent number 8,921,829
- Issue date Dec 30, 2014
- Sumitomo Electric Industries, Ltd
- Yasuhiro Iguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Group III-V compound semiconductor photo detector, method of fabric...
- Patent number 8,866,199
- Issue date Oct 21, 2014
- Sumitomo Electric Industries, Ltd
- Katsushi Akita
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Photodetector and method of manufacturing the photodetector
- Patent number 8,822,977
- Issue date Sep 2, 2014
- Sumitomo Electric Industries, Ltd
- Katsushi Akita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor wafer, light-receiving element, light-receiving eleme...
- Patent number 8,642,943
- Issue date Feb 4, 2014
- Sumitomo Electric Industries, Ltd
- Hiroki Mori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
III-nitride semiconductor laser, and method for fabricating III-nit...
- Patent number 8,548,021
- Issue date Oct 1, 2013
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 8,461,570
- Issue date Jun 11, 2013
- Sumitomo Electric Industries, Ltd
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Photodiode array, method for manufacturing photodiode array, epitax...
- Patent number 8,309,380
- Issue date Nov 13, 2012
- Sumitomo Electric Industries, Ltd
- Katsushi Akita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Photodiode array, method for manufacturing photodiode array, epitax...
- Patent number 8,198,623
- Issue date Jun 12, 2012
- Sumitomo Electric Industries, Ltd
- Katsushi Akita
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PRODUCING P-TYPE NITRIDE SEMICONDUCTOR
- Publication number 20240379362
- Publication date Nov 14, 2024
- Sumitomo Electric Industries, Ltd.
- Kei FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE-EMITTING LASER
- Publication number 20230036079
- Publication date Feb 2, 2023
- Sumitomo Electric Industries, Ltd.
- Takamichi SUMITOMO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER AND METHOD FOR MANUFACTURING...
- Publication number 20200076161
- Publication date Mar 5, 2020
- Sumitomo Electric Industries, Ltd.
- Kei FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER
- Publication number 20200028328
- Publication date Jan 23, 2020
- Sumitomo Electric Industries, Ltd.
- Suguru ARIKATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER, METHOD FOR FABRICATING VERT...
- Publication number 20190148914
- Publication date May 16, 2019
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-RECEIVING DEVICE
- Publication number 20160380137
- Publication date Dec 29, 2016
- Sumitomo Electric Industries, Ltd.
- Kaoru SHIBATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LAYERED STRUCTURE, METHOD FOR PRODUCING SEMICONDUCTOR...
- Publication number 20160351742
- Publication date Dec 1, 2016
- Sumitomo Electric Industries, Ltd.
- Katsushi AKITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SAME
- Publication number 20160247951
- Publication date Aug 25, 2016
- Sumitomo Electric Industries, Ltd.
- Kei FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20160056315
- Publication date Feb 25, 2016
- Sumitomo Electric Industries, Ltd.
- Kaoru SHIBATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, OPTICAL SENSOR DEVICE AND SEMICONDUCTOR DEVIC...
- Publication number 20150228825
- Publication date Aug 13, 2015
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR ELEMENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20150144876
- Publication date May 28, 2015
- Sumitomo Electric Industries, Ltd.
- Takashi Kyono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20150115222
- Publication date Apr 30, 2015
- Sumitomo Electric Industries, Ltd.
- Takashi KYONO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP III-V COMPOUND SEMICONDUCTOR PHOTO DETECTOR, METHOD OF FABRIC...
- Publication number 20150001466
- Publication date Jan 1, 2015
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING ELEMENT, EPITAXIAL WAFER, AND METHOD FOR PRODUCING T...
- Publication number 20140367640
- Publication date Dec 18, 2014
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Application
EPITAXIAL WAFER, METHOD FOR PRODUCING THE SAME, PHOTODIODE, AND OPT...
- Publication number 20140353584
- Publication date Dec 4, 2014
- Sumitomo Electric Industries, Ltd.
- Kei FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR ELEMENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20140353586
- Publication date Dec 4, 2014
- Sumitomo Electric Industries, Ltd.
- Takashi KYONO
- G01 - MEASURING TESTING
Information Patent Application
EPITAXIAL WAFER, METHOD FOR PRODUCING THE SAME, SEMICONDUCTOR ELEME...
- Publication number 20140319463
- Publication date Oct 30, 2014
- Sumitomo Electric Industries, Ltd.
- Kei FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP III-V COMPOUND SEMICONDUCTOR PHOTO DETECTOR, METHOD OF FABRIC...
- Publication number 20140061588
- Publication date Mar 6, 2014
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTODETECTOR, EPITAXIAL WAFER AND METHOD FOR PRODUCING THE SAME
- Publication number 20140054545
- Publication date Feb 27, 2014
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTODIODE AND METHOD FOR PRODUCING THE SAME
- Publication number 20140008614
- Publication date Jan 9, 2014
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTODIODE AND METHOD FOR PRODUCING THE SAME
- Publication number 20130313521
- Publication date Nov 28, 2013
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTODETECTOR AND METHOD OF MANUFACTURING THE PHOTODETECTOR
- Publication number 20130099203
- Publication date Apr 25, 2013
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR WAFER, LIGHT-RECEIVING ELEMENT, LIGHT-RECEIVING ELEME...
- Publication number 20130048838
- Publication date Feb 28, 2013
- Sumitomo Electric Industries, Ltd.
- Hiroki Mori
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTODIODE, OPTICAL SENSOR DEVICE, AND PHOTODIODE MANUFACTURING METHOD
- Publication number 20130032780
- Publication date Feb 7, 2013
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Application
EPITAXIAL WAFER, PHOTODIODE, OPTICAL SENSOR DEVICE, AND METHODS FOR...
- Publication number 20120326122
- Publication date Dec 27, 2012
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Application
LIGHT RECEIVING ELEMENT, LIGHT RECEIVING ELEMENT ARRAY, HYBRID-TYPE...
- Publication number 20120298957
- Publication date Nov 29, 2012
- Sumitomo Electric Industries, Ltd.
- Yasuhiro Iguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, OPTICAL SENSOR DEVICE AND SEMICONDUCTOR DEVIC...
- Publication number 20120217478
- Publication date Aug 30, 2012
- Sumitomo Electric Industries, Ltd.
- Kei Fujii
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTODIODE ARRAY, METHOD FOR MANUFACTURING PHOTODIODE ARRAY, EPITAX...
- Publication number 20120196398
- Publication date Aug 2, 2012
- Sumitomo Electric Industries, Ltd.
- Katsushi AKITA
- B82 - NANO-TECHNOLOGY
Information Patent Application
GROUP III-V COMPOUND SEMICONDUCTOR PHOTO DETECTOR, METHOD OF FABRIC...
- Publication number 20120168720
- Publication date Jul 5, 2012
- Sumitomo Electric Industries, Ltd.
- Katsushi Akita
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
III-NITRIDE SEMICONDUCTOR LASER, AND METHOD FOR FABRICATING III-NIT...
- Publication number 20120008660
- Publication date Jan 12, 2012
- Sumitomo Electric Industries, Ltd.
- Kei FUJII
- B82 - NANO-TECHNOLOGY

Person

Patents Grantslast 30 patents

Vertical cavity surface emitting laser and method for manufacturing...

Vertical cavity surface emitting laser, method for fabricating vert...

Semiconductor layered structure, method for producing semiconductor...

Semiconductor device, optical sensor device and semiconductor devic...

Epitaxial wafer and method for manufacturing same

Epitaxial wafer, method for producing the same, semiconductor eleme...

Semiconductor device and method for manufacturing the same

Semiconductor element and method for producing the same

Photodiode, optical sensor device, and photodiode manufacturing method

Epitaxial wafer, method for producing the same, photodiode, and opt...

Group III-V compound semiconductor photo detector, method of fabric...

Epitaxial wafer, photodiode, optical sensor device, and methods for...

Semiconductor device

Semiconductor device, optical sensor device and semiconductor devic...

Light receiving element, light receiving element array, hybrid-type...

Group III-V compound semiconductor photo detector, method of fabric...

Photodetector and method of manufacturing the photodetector

Semiconductor wafer, light-receiving element, light-receiving eleme...

III-nitride semiconductor laser, and method for fabricating III-nit...

Semiconductor device and manufacturing method thereof

Photodiode array, method for manufacturing photodiode array, epitax...

Photodiode array, method for manufacturing photodiode array, epitax...

Patents Applicationslast 30 patents

METHOD OF PRODUCING P-TYPE NITRIDE SEMICONDUCTOR

VERTICAL CAVITY SURFACE-EMITTING LASER

VERTICAL CAVITY SURFACE EMITTING LASER AND METHOD FOR MANUFACTURING...

VERTICAL CAVITY SURFACE EMITTING LASER

VERTICAL CAVITY SURFACE EMITTING LASER, METHOD FOR FABRICATING VERT...

LIGHT-RECEIVING DEVICE

SEMICONDUCTOR LAYERED STRUCTURE, METHOD FOR PRODUCING SEMICONDUCTOR...

EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SAME

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

SEMICONDUCTOR DEVICE, OPTICAL SENSOR DEVICE AND SEMICONDUCTOR DEVIC...

SEMICONDUCTOR ELEMENT AND METHOD FOR PRODUCING THE SAME

SEMICONDUCTOR DEVICE

GROUP III-V COMPOUND SEMICONDUCTOR PHOTO DETECTOR, METHOD OF FABRIC...

LIGHT-EMITTING ELEMENT, EPITAXIAL WAFER, AND METHOD FOR PRODUCING T...

EPITAXIAL WAFER, METHOD FOR PRODUCING THE SAME, PHOTODIODE, AND OPT...

SEMICONDUCTOR ELEMENT AND METHOD FOR PRODUCING THE SAME

EPITAXIAL WAFER, METHOD FOR PRODUCING THE SAME, SEMICONDUCTOR ELEME...

GROUP III-V COMPOUND SEMICONDUCTOR PHOTO DETECTOR, METHOD OF FABRIC...

PHOTODETECTOR, EPITAXIAL WAFER AND METHOD FOR PRODUCING THE SAME

PHOTODIODE AND METHOD FOR PRODUCING THE SAME

PHOTODIODE AND METHOD FOR PRODUCING THE SAME

PHOTODETECTOR AND METHOD OF MANUFACTURING THE PHOTODETECTOR

SEMICONDUCTOR WAFER, LIGHT-RECEIVING ELEMENT, LIGHT-RECEIVING ELEME...

PHOTODIODE, OPTICAL SENSOR DEVICE, AND PHOTODIODE MANUFACTURING METHOD

EPITAXIAL WAFER, PHOTODIODE, OPTICAL SENSOR DEVICE, AND METHODS FOR...

LIGHT RECEIVING ELEMENT, LIGHT RECEIVING ELEMENT ARRAY, HYBRID-TYPE...

SEMICONDUCTOR DEVICE, OPTICAL SENSOR DEVICE AND SEMICONDUCTOR DEVIC...

PHOTODIODE ARRAY, METHOD FOR MANUFACTURING PHOTODIODE ARRAY, EPITAX...

GROUP III-V COMPOUND SEMICONDUCTOR PHOTO DETECTOR, METHOD OF FABRIC...

III-NITRIDE SEMICONDUCTOR LASER, AND METHOD FOR FABRICATING III-NIT...