Yasuhiko ARAKAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Infrared photodetector
- Patent number 10,811,554
- Issue date Oct 20, 2020
- SHARP KABUSHIKI KAISHA
- Hirofumi Yoshikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image projection device
- Patent number 10,659,743
- Issue date May 19, 2020
- QD Laser, Inc.
- Yasuhiko Arakawa
- G02 - OPTICS
Information Patent Grant
Quantum dot infrared detector
- Patent number 10,636,833
- Issue date Apr 28, 2020
- SHARP KABUSHIKI KAISHA
- Hirofumi Yoshikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image projection device and projection device
- Patent number 10,627,631
- Issue date Apr 21, 2020
- QD Laser, Inc.
- Yasuhiko Arakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection device
- Patent number 10,444,519
- Issue date Oct 15, 2019
- QD Laser, Inc.
- Yasuhiko Arakawa
- G02 - OPTICS
Information Patent Grant
Quantum cascade laser
- Patent number 10,340,662
- Issue date Jul 2, 2019
- SHARP KABUSHIKI KAISHA
- Teruhisa Kotani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quantum cascade laser
- Patent number 10,340,663
- Issue date Jul 2, 2019
- SHARP KABUSHIKI KAISHA
- Teruhisa Kotani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric conversion element and photoelectric conversion devic...
- Patent number 10,181,539
- Issue date Jan 15, 2019
- SHARP KABUSHIKI KAISHA
- Hirofumi Yoshikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image projection device and projection device
- Patent number 10,088,682
- Issue date Oct 2, 2018
- QD Laser, Inc.
- Yasuhiko Arakawa
- G02 - OPTICS
Information Patent Grant
Nitride semiconductor device and quantum cascade laser using the same
- Patent number 10,038,306
- Issue date Jul 31, 2018
- SHARP KABUSHIKI KAISHA
- Teruhisa Kotani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device and optical transceiver
- Patent number 9,871,347
- Issue date Jan 16, 2018
- Fujitsu Limited
- Nobuaki Hatori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photodetector
- Patent number 9,871,147
- Issue date Jan 16, 2018
- SHARP KABUSHIKI KAISHA
- Teruhisa Kotani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric conversion element
- Patent number 9,601,643
- Issue date Mar 21, 2017
- SHARP KABUSHIKI KAISHA
- Hirofumi Yoshikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric conversion element
- Patent number 9,583,656
- Issue date Feb 28, 2017
- SHARP KABUSHIKI KAISHA
- Tomohiro Nozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device and method for manufacturing th...
- Patent number 8,906,721
- Issue date Dec 9, 2014
- Fujitsu Limited
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical semiconductor device having diffraction grating disposed on...
- Patent number 8,891,578
- Issue date Nov 18, 2014
- Fujitsu Limited
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor light emitting device and fabrication method for semi...
- Patent number 8,802,468
- Issue date Aug 12, 2014
- Fujitsu Limited
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor light emitting device and fabrication method for semi...
- Patent number 8,483,252
- Issue date Jul 9, 2013
- Fujitsu Limited
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Organic thin-film transistor and method for manufacturing the same
- Patent number 8,334,528
- Issue date Dec 18, 2012
- Sharp Kabushiki Kaisha
- Yasutaka Kuzumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device having active layer of p-type quantum...
- Patent number 8,232,125
- Issue date Jul 31, 2012
- Fujitsu Limited
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing a semiconductor device with quantum dots fo...
- Patent number 8,183,073
- Issue date May 22, 2012
- Fujitsu Limited
- Yasuhiko Arakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing semiconductor device with quantum dots form...
- Patent number 7,892,871
- Issue date Feb 22, 2011
- Fujitsu Limited
- Yasuhiko Arakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical semiconductor device having diffraction grating disposed on...
- Patent number 7,835,418
- Issue date Nov 16, 2010
- Fujitsu Limited
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Quantum dot semiconductor device
- Patent number 7,829,880
- Issue date Nov 9, 2010
- Fujitsu Limited
- Hiroji Ebe
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Single-photon generator
- Patent number 7,768,692
- Issue date Aug 3, 2010
- Fujitsu Limited
- Kazuya Takemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical semiconductor device having diffraction grating
- Patent number 7,738,523
- Issue date Jun 15, 2010
- Fujitsu Limited
- Nobuaki Hatori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single-photon generating device, single-photon detecting device, an...
- Patent number 7,700,937
- Issue date Apr 20, 2010
- Fujitsu Limited
- Shinichi Hirose
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Optical semiconductor device having active layer of p-type quantum...
- Patent number 7,573,060
- Issue date Aug 11, 2009
- Fujitsu Limited
- Nobuaki Hatori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser and method of fabricating the same
- Patent number 7,522,647
- Issue date Apr 21, 2009
- Fujitsu Limited
- Nobuaki Hatori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quantum optical semiconductor device
- Patent number 7,015,498
- Issue date Mar 21, 2006
- Fujitsu Limited
- Hiroji Ebe
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INFRARED DETECTOR
- Publication number 20210296517
- Publication date Sep 23, 2021
- Sharp Kabushiki Kaisha
- HIROFUMI YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INFRARED DETECTION APPARATUS
- Publication number 20200378833
- Publication date Dec 3, 2020
- Sharp Kabushiki Kaisha
- HIROFUMI YOSHIKAWA
- G01 - MEASURING TESTING
Information Patent Application
DETECTOR
- Publication number 20200173848
- Publication date Jun 4, 2020
- Sharp Kabushiki Kaisha
- Teruhisa KOTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INFRARED PHOTODETECTOR
- Publication number 20190393373
- Publication date Dec 26, 2019
- Sharp Kabushiki Kaisha
- Hirofumi YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INFRARED PHOTODETECTION SYSTEM
- Publication number 20190301944
- Publication date Oct 3, 2019
- Sharp Kabushiki Kaisha
- Takahiro DOE
- G01 - MEASURING TESTING
Information Patent Application
QUANTUM DOT INFRARED DETECTOR
- Publication number 20190074320
- Publication date Mar 7, 2019
- Sharp Kabushiki Kaisha
- HIROFUMI YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE PROJECTION DEVICE AND PROJECTION DEVICE
- Publication number 20180364489
- Publication date Dec 20, 2018
- QD LASER INC.
- Yasuhiko ARAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
QUANTUM DOT INFRARED DETECTOR
- Publication number 20180331240
- Publication date Nov 15, 2018
- Sharp Kabushiki Kaisha
- HIROFUMI YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE PROJECTION DEVICE
- Publication number 20180184059
- Publication date Jun 28, 2018
- QD LASER, INC.
- Yasuhiko ARAKAWA
- G02 - OPTICS
Information Patent Application
DETECTOR
- Publication number 20180172508
- Publication date Jun 21, 2018
- Sharp Kabushiki Kaisha
- Teruhisa KOTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE PROJECTION DEVICE
- Publication number 20180164595
- Publication date Jun 14, 2018
- QD LASER, INC.
- Yasuhiko ARAKAWA
- G02 - OPTICS
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOELECTRIC CONVERSION DEVIC...
- Publication number 20180006174
- Publication date Jan 4, 2018
- Sharp Kabushiki Kaisha
- Hirofumi YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
QUANTUM CASCADE LASER
- Publication number 20170338627
- Publication date Nov 23, 2017
- Sharp Kabushiki Kaisha
- Teruhisa KOTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
QUANTUM CASCADE LASER
- Publication number 20170201071
- Publication date Jul 13, 2017
- SHARP KABUSHIKI KAISHA
- Teruhisa KOTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR DEVICE AND QUANTUM CASCADE LASER USING THE SAME
- Publication number 20170201072
- Publication date Jul 13, 2017
- Sharp Kabushiki Kaisha
- Teruhisa KOTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT HAVING QUANTUM STRUCTURE USING IND...
- Publication number 20170200841
- Publication date Jul 13, 2017
- Sharp Kabushiki Kaisha
- Hirofumi YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTODETECTOR
- Publication number 20170141243
- Publication date May 18, 2017
- Sharp Kabushiki Kaisha
- Teruhisa KOTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND OPTICAL TRANSCEIVER
- Publication number 20170098922
- Publication date Apr 6, 2017
- Fujitsu Limited
- Nobuaki Hatori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT
- Publication number 20170025558
- Publication date Jan 26, 2017
- Sharp Kabushiki Kaisha
- Hirofumi YOSHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE PROJECTION DEVICE AND PROJECTION DEVICE
- Publication number 20160103324
- Publication date Apr 14, 2016
- QD LASER INC.
- Yasuhiko ARAKAWA
- G02 - OPTICS
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT
- Publication number 20150364628
- Publication date Dec 17, 2015
- Sharp Kabushiki Kaisha
- Tomohiro NOZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLAR CELL
- Publication number 20140326302
- Publication date Nov 6, 2014
- Yasuhiko Arakawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
SUPER LATTICE STRUCTURE, SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LIG...
- Publication number 20130270517
- Publication date Oct 17, 2013
- THE UNIVERSITY OF TOKYO
- Tomohiro NOZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
- Publication number 20130267052
- Publication date Oct 10, 2013
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND FABRICATION METHOD FOR SEMI...
- Publication number 20130267054
- Publication date Oct 10, 2013
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Application
SOLAR CELL
- Publication number 20120160312
- Publication date Jun 28, 2012
- SHARP KABUSHIKI KAISHA
- Yasuhiko ARAKAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method of manufacturing semiconductor device
- Publication number 20110134950
- Publication date Jun 9, 2011
- FUJITSU LIMITED
- Yasuhiko Arakawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical semiconductor device having diffraction grating disposed on...
- Publication number 20110027926
- Publication date Feb 3, 2011
- FUJITSU LIMITED
- Nobuaki Hatori
- B82 - NANO-TECHNOLOGY
Information Patent Application
ORGANIC THIN-FILM TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20100176387
- Publication date Jul 15, 2010
- SHARP KABUSHIKI KAISHA
- Yasutaka KUZUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME
- Publication number 20090305442
- Publication date Dec 10, 2009
- FUJITSU LIMITED
- Hiroji Ebe
- B82 - NANO-TECHNOLOGY

Yasuhiko ARAKAWA

Person

Patents Grantslast 30 patents

Infrared photodetector

Image projection device

Quantum dot infrared detector

Image projection device and projection device

Image projection device

Quantum cascade laser

Quantum cascade laser

Photoelectric conversion element and photoelectric conversion devic...

Image projection device and projection device

Nitride semiconductor device and quantum cascade laser using the same

Semiconductor light emitting device and optical transceiver

Photodetector

Photoelectric conversion element

Photoelectric conversion element

Semiconductor light emitting device and method for manufacturing th...

Optical semiconductor device having diffraction grating disposed on...

Semiconductor light emitting device and fabrication method for semi...

Semiconductor light emitting device and fabrication method for semi...

Organic thin-film transistor and method for manufacturing the same

Optical semiconductor device having active layer of p-type quantum...

Method of manufacturing a semiconductor device with quantum dots fo...

Method of manufacturing semiconductor device with quantum dots form...

Optical semiconductor device having diffraction grating disposed on...

Quantum dot semiconductor device

Single-photon generator

Optical semiconductor device having diffraction grating

Single-photon generating device, single-photon detecting device, an...

Optical semiconductor device having active layer of p-type quantum...

Semiconductor laser and method of fabricating the same

Quantum optical semiconductor device

Patents Applicationslast 30 patents

INFRARED DETECTOR

INFRARED DETECTION APPARATUS

DETECTOR

INFRARED PHOTODETECTOR

INFRARED PHOTODETECTION SYSTEM

QUANTUM DOT INFRARED DETECTOR

IMAGE PROJECTION DEVICE AND PROJECTION DEVICE

QUANTUM DOT INFRARED DETECTOR

IMAGE PROJECTION DEVICE

DETECTOR

IMAGE PROJECTION DEVICE

PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOELECTRIC CONVERSION DEVIC...

QUANTUM CASCADE LASER

QUANTUM CASCADE LASER

NITRIDE SEMICONDUCTOR DEVICE AND QUANTUM CASCADE LASER USING THE SAME

PHOTOELECTRIC CONVERSION ELEMENT HAVING QUANTUM STRUCTURE USING IND...

PHOTODETECTOR

SEMICONDUCTOR LIGHT EMITTING DEVICE AND OPTICAL TRANSCEIVER

PHOTOELECTRIC CONVERSION ELEMENT

IMAGE PROJECTION DEVICE AND PROJECTION DEVICE

PHOTOELECTRIC CONVERSION ELEMENT

SOLAR CELL

SUPER LATTICE STRUCTURE, SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LIG...

SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...

SEMICONDUCTOR LIGHT EMITTING DEVICE AND FABRICATION METHOD FOR SEMI...

SOLAR CELL

Method of manufacturing semiconductor device

Optical semiconductor device having diffraction grating disposed on...

ORGANIC THIN-FILM TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME

LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME