Kazuaki Kiyota

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical functional device and laser device
- Patent number 12,062,886
- Issue date Aug 13, 2024
- Furukawa Electric Co., Ltd.
- Yasutaka Higa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength-tunable laser and optical module
- Patent number 11,909,173
- Issue date Feb 20, 2024
- Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser array, semiconductor laser element, semiconduct...
- Patent number 11,322,912
- Issue date May 3, 2022
- Furukawa Electric Co., Ltd.
- Akira Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical integrated element and optical module
- Patent number 11,281,029
- Issue date Mar 22, 2022
- Furukawa Electric Co., Ltd.
- Yusuke Saito
- G02 - OPTICS
Information Patent Grant
Wavelength-tunable laser device
- Patent number 10,965,094
- Issue date Mar 30, 2021
- Furukawa Electric Co., Ltd.
- Yasumasa Kawakita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device, diffraction grating structure, and diff...
- Patent number 10,923,880
- Issue date Feb 16, 2021
- Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser module
- Patent number 10,811,840
- Issue date Oct 20, 2020
- Furukawa Electric Co., Ltd.
- Maiko Ariga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 10,770,863
- Issue date Sep 8, 2020
- Furukawa Electric Co., Ltd.
- Toshihito Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser apparatus
- Patent number 10,554,013
- Issue date Feb 4, 2020
- Furukawa Electric Co., Ltd.
- Tatsuro Kurobe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical integrated device having buried hetero struct...
- Patent number 10,534,131
- Issue date Jan 14, 2020
- Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- G02 - OPTICS
Information Patent Grant
Optical semiconductor apparatus
- Patent number 10,320,150
- Issue date Jun 11, 2019
- Furukawa Electric Co., Ltd.
- Toshihito Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical integrated device including a reduced thickne...
- Patent number 10,241,267
- Issue date Mar 26, 2019
- Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- G02 - OPTICS
Information Patent Grant
Semiconductor optical element, integrated semiconductor optical ele...
- Patent number 9,088,132
- Issue date Jul 21, 2015
- Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical amplifier device
- Patent number 9,054,486
- Issue date Jun 9, 2015
- Furukawa Electric Co., Ltd.
- Hideaki Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser module
- Patent number 8,665,919
- Issue date Mar 4, 2014
- Furukawa Electric Co., Ltd.
- Tatsuya Kimoto
- G02 - OPTICS
Information Patent Grant
Photonic crystal optical device
- Patent number 7,831,124
- Issue date Nov 9, 2010
- The Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical integrated device and method of manufacturing the same
- Patent number 7,796,846
- Issue date Sep 14, 2010
- Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- G02 - OPTICS
Information Patent Grant
Two-dimensional photonic crystal surface-emitting laser
- Patent number 7,664,158
- Issue date Feb 16, 2010
- The Furukawa Electric Co., Ltd.
- Kazuaki Kiyota
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR OPTICAL S...
- Publication number 20240396296
- Publication date Nov 28, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kenshiro MATSUSHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...
- Publication number 20240388065
- Publication date Nov 21, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kenichi MIYAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...
- Publication number 20240380183
- Publication date Nov 14, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kenichi MIYAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR ELEMENT, OPTICAL INTEGRATED ELEMENT, AND METH...
- Publication number 20240380176
- Publication date Nov 14, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Masahiro YOSHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULE
- Publication number 20240340085
- Publication date Oct 10, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Kazuya NAGASHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LASER DEVICE
- Publication number 20220385021
- Publication date Dec 1, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Yuuki ISOBE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER APPARATUS AND CONTROL METHOD THEREFOR
- Publication number 20220376473
- Publication date Nov 24, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki Kiyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER ARRAY DEVICE
- Publication number 20220149597
- Publication date May 12, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki KIYOTA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL FUNCTIONAL DEVICE AND LASER DEVICE
- Publication number 20210367401
- Publication date Nov 25, 2021
- FURUKAWA ELECTRIC CO., LTD.
- Yasutaka HIGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL INTEGRATED ELEMENT AND OPTICAL MODULE
- Publication number 20200363664
- Publication date Nov 19, 2020
- FURUKAWA ELECTRIC CO., LTD.
- Yusuke SAITO
- G02 - OPTICS
Information Patent Application
WAVELENGTH-TUNABLE LASER AND OPTICAL MODULE
- Publication number 20200366059
- Publication date Nov 19, 2020
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki Kiyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULE
- Publication number 20200203917
- Publication date Jun 25, 2020
- FURUKAWA ELECTRIC CO., LTD.
- Kazuki YAMAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAVELENGTH-TUNABLE LASER DEVICE
- Publication number 20190363505
- Publication date Nov 28, 2019
- FURUKAWA ELECTRIC CO., LTD.
- Yasumasa KAWAKITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD OF MANUFACTURING...
- Publication number 20190187369
- Publication date Jun 20, 2019
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki Kiyota
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20190165544
- Publication date May 30, 2019
- FURUKAWA ELECTRIC CO., LTD.
- Toshihito SUZUKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE, DIFFRACTION GRATING STRUCTURE, AND DIFF...
- Publication number 20180351328
- Publication date Dec 6, 2018
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki KIYOTA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER MODULE
- Publication number 20180342850
- Publication date Nov 29, 2018
- FURUKAWA ELECTRIC CO., LTD.
- Maiko ARIGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD OF MANUFACTURING...
- Publication number 20170146734
- Publication date May 25, 2017
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki Kiyota
- G02 - OPTICS
Information Patent Application
OPTICAL SEMICONDUCTOR APPARATUS
- Publication number 20170141540
- Publication date May 18, 2017
- FURUKAWA ELECTRIC CO., LTD.
- Toshihito SUZUKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER APPARATUS
- Publication number 20170141532
- Publication date May 18, 2017
- FURUKAWA ELECTRIC CO., LTD.
- Tatsuro KUROBE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED SEMICONDUCTOR LASER DEVICE AND SEMICONDUCTOR LASER MODULE
- Publication number 20160336719
- Publication date Nov 17, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki KIYOTA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER ARRAY, SEMICONDUCTOR LASER ELEMENT, SEMICONDUCT...
- Publication number 20160301193
- Publication date Oct 13, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Akira ITOH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFIER DEVICE
- Publication number 20140078580
- Publication date Mar 20, 2014
- FURUKAWA ELECTRIC CO., LTD.
- Hideaki HASEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL ELEMENT, INTEGRATED SEMICONDUCTOR OPTICAL ELE...
- Publication number 20140055842
- Publication date Feb 27, 2014
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki KIYOTA
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LASER MODULE
- Publication number 20110310916
- Publication date Dec 22, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Tatsuya Kimoto
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20110268402
- Publication date Nov 3, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Kazuaki KIYOTA
- G02 - OPTICS
Information Patent Application
Optical integrated device and method of manufacturing the same
- Publication number 20090185774
- Publication date Jul 23, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Kazuaki Kiyota
- G02 - OPTICS
Information Patent Application
TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE-EMITTING LASER
- Publication number 20090010298
- Publication date Jan 8, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Kazuaki KIYOTA
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTONIC CRYSTAL OPTICAL DEVICE
- Publication number 20080273832
- Publication date Nov 6, 2008
- THE FURUKAWA ELECTRIC CO., LTD.
- Kazuaki Kiyota
- G02 - OPTICS

Kazuaki Kiyota

Person

Patents Grantslast 30 patents

Optical functional device and laser device

Wavelength-tunable laser and optical module

Semiconductor laser array, semiconductor laser element, semiconduct...

Optical integrated element and optical module

Wavelength-tunable laser device

Semiconductor laser device, diffraction grating structure, and diff...

Laser module

Semiconductor laser device

Semiconductor laser apparatus

Semiconductor optical integrated device having buried hetero struct...

Optical semiconductor apparatus

Semiconductor optical integrated device including a reduced thickne...

Semiconductor optical element, integrated semiconductor optical ele...

Optical amplifier device

Semiconductor laser module

Photonic crystal optical device

Optical integrated device and method of manufacturing the same

Two-dimensional photonic crystal surface-emitting laser

Patents Applicationslast 30 patents

OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR OPTICAL S...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFA...

OPTICAL SEMICONDUCTOR ELEMENT, OPTICAL INTEGRATED ELEMENT, AND METH...

OPTICAL MODULE

LASER DEVICE

LASER APPARATUS AND CONTROL METHOD THEREFOR

SEMICONDUCTOR OPTICAL AMPLIFIER ARRAY DEVICE

OPTICAL FUNCTIONAL DEVICE AND LASER DEVICE

OPTICAL INTEGRATED ELEMENT AND OPTICAL MODULE

WAVELENGTH-TUNABLE LASER AND OPTICAL MODULE

OPTICAL MODULE

WAVELENGTH-TUNABLE LASER DEVICE

SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD OF MANUFACTURING...

SEMICONDUCTOR LASER DEVICE

SEMICONDUCTOR LASER DEVICE, DIFFRACTION GRATING STRUCTURE, AND DIFF...

LASER MODULE

SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND METHOD OF MANUFACTURING...

OPTICAL SEMICONDUCTOR APPARATUS

SEMICONDUCTOR LASER APPARATUS

INTEGRATED SEMICONDUCTOR LASER DEVICE AND SEMICONDUCTOR LASER MODULE

SEMICONDUCTOR LASER ARRAY, SEMICONDUCTOR LASER ELEMENT, SEMICONDUCT...

OPTICAL AMPLIFIER DEVICE

SEMICONDUCTOR OPTICAL ELEMENT, INTEGRATED SEMICONDUCTOR OPTICAL ELE...

SEMICONDUCTOR LASER MODULE

SEMICONDUCTOR OPTICAL DEVICE

Optical integrated device and method of manufacturing the same

TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE-EMITTING LASER

PHOTONIC CRYSTAL OPTICAL DEVICE