Hirotatsu Ishii

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical processing structure of optical fiber
- Patent number 12,025,843
- Issue date Jul 2, 2024
- Furukawa Electric Co., Ltd.
- Takahiro Tomiyasu
- G02 - OPTICS
Information Patent Grant
Semiconductor optical element, semiconductor laser element, and met...
- Patent number 10,033,154
- Issue date Jul 24, 2018
- Furukawa Electronic Co., Ltd.
- Kouhei Kinugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 9,960,572
- Issue date May 1, 2018
- Furukawa Electric Co., Ltd.
- Masayuki Iwami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor device, production method thereof, diode, and...
- Patent number 9,911,842
- Issue date Mar 6, 2018
- Furukawa Electric Co., Ltd.
- Kazuyuki Umeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser element and method of manufacturing semiconduct...
- Patent number 9,478,944
- Issue date Oct 25, 2016
- Furukawa Electric Co., Ltd.
- Hidehiro Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated optical device and manufacturing method of the same
- Patent number 8,929,692
- Issue date Jan 6, 2015
- Furukawa Electric Co., Ltd.
- Norihiro Iwai
- G02 - OPTICS
Information Patent Grant
Semiconductor laser element and method of manufacturing semiconduct...
- Patent number 8,842,707
- Issue date Sep 23, 2014
- Furukawa Electric Co., Ltd.
- Hidehiro Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity surface emitting laser element, vertical cavity sur...
- Patent number 8,619,831
- Issue date Dec 31, 2013
- Furukawa Electric Co., Ltd.
- Yasumasa Kawakita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser element and manufacturing method thereof
- Patent number 8,488,644
- Issue date Jul 16, 2013
- Furukawa Electric Co., Ltd.
- Suguru Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical cavity surface emitting laser element, vertical cavity sur...
- Patent number 8,472,492
- Issue date Jun 25, 2013
- Furukawa Electric Co., Ltd.
- Yasumasa Kawakita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nitride based semiconductor device and method of manufacturing the...
- Patent number 8,222,639
- Issue date Jul 17, 2012
- Furukawa Electric Co., Ltd.
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting element and method of manufacturing th...
- Patent number 8,222,658
- Issue date Jul 17, 2012
- The Furukawa Electric Co., Ltd.
- Tatsuyuki Shinagawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device
- Patent number 6,898,224
- Issue date May 24, 2005
- The Furukawa Electric Co., Ltd.
- Mikihiro Yokozeki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PROCESSING STRUCTURE OF OPTICAL FIBER
- Publication number 20220003950
- Publication date Jan 6, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Takahiro TOMIYASU
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20160351392
- Publication date Dec 1, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Masayuki IWAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20160352075
- Publication date Dec 1, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Masayuki IWAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER ELEMENT AND METHOD OF MANUFACTURING SEMICONDUCT...
- Publication number 20160276804
- Publication date Sep 22, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Hidehiro Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR DEVICE, PRODUCTION METHOD THEREOF, DIODE, AND...
- Publication number 20160225889
- Publication date Aug 4, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Kazuyuki UMENO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL ELEMENT, SEMICONDUCTOR LASER ELEMENT, AND MET...
- Publication number 20150180203
- Publication date Jun 25, 2015
- FURUKAWA ELECTRIC CO., LTD.
- Kouhei KINUGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT, VERTICAL CAVITY SUR...
- Publication number 20130250993
- Publication date Sep 26, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Yasumasa KAWAKITA
- B82 - NANO-TECHNOLOGY
Information Patent Application
INTEGRATED OPTICAL DEVICE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20130064497
- Publication date Mar 14, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Norihiro IWAI
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR LASER, SURFACE EMITTING SEMICONDUCTOR LASER, SEMICOND...
- Publication number 20120320447
- Publication date Dec 20, 2012
- FURUKAWA ELECTRIC CO., LTD.
- Keishi TAKAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TWO-DIMENSIONAL SURFACE-EMITTING LASER ARRAY ELEMENT, SURFACE-EMITT...
- Publication number 20110274131
- Publication date Nov 10, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Keishi Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER ELEMENT AND MANUFACTURING METHOD THEREOF
- Publication number 20110261852
- Publication date Oct 27, 2011
- FURUKAWA ELECTRIC CO., LTD
- Suguru Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING TH...
- Publication number 20110261849
- Publication date Oct 27, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT, VERTICAL CAVITY SUR...
- Publication number 20100271690
- Publication date Oct 28, 2010
- FURUKAWA ELECTRIC CO., LTD.
- Yasumasa KAWAKITA
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR LASER ELEMENT AND METHOD OF MANUFACTURING SEMICONDUCT...
- Publication number 20100195685
- Publication date Aug 5, 2010
- FURUKAWA ELECTRIC CO., LTD.
- Hidehiro Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE BASED SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE...
- Publication number 20100051939
- Publication date Mar 4, 2010
- Tatsuyuki Shinagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser device
- Publication number 20030043872
- Publication date Mar 6, 2003
- Mikihiro Yokozeki
- B82 - NANO-TECHNOLOGY

Hirotatsu Ishii

Person

Patents Grantslast 30 patents

Optical processing structure of optical fiber

Semiconductor optical element, semiconductor laser element, and met...

Semiconductor device

Nitride semiconductor device, production method thereof, diode, and...

Semiconductor laser element and method of manufacturing semiconduct...

Integrated optical device and manufacturing method of the same

Semiconductor laser element and method of manufacturing semiconduct...

Vertical cavity surface emitting laser element, vertical cavity sur...

Semiconductor laser element and manufacturing method thereof

Vertical cavity surface emitting laser element, vertical cavity sur...

Nitride based semiconductor device and method of manufacturing the...

Semiconductor light emitting element and method of manufacturing th...

Semiconductor laser device

Patents Applicationslast 30 patents

OPTICAL PROCESSING STRUCTURE OF OPTICAL FIBER

SEMICONDUCTOR DEVICE

SEMICONDUCTOR LASER DEVICE

SEMICONDUCTOR LASER ELEMENT AND METHOD OF MANUFACTURING SEMICONDUCT...

NITRIDE SEMICONDUCTOR DEVICE, PRODUCTION METHOD THEREOF, DIODE, AND...

SEMICONDUCTOR OPTICAL ELEMENT, SEMICONDUCTOR LASER ELEMENT, AND MET...

VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT, VERTICAL CAVITY SUR...

INTEGRATED OPTICAL DEVICE AND MANUFACTURING METHOD OF THE SAME

SEMICONDUCTOR LASER, SURFACE EMITTING SEMICONDUCTOR LASER, SEMICOND...

TWO-DIMENSIONAL SURFACE-EMITTING LASER ARRAY ELEMENT, SURFACE-EMITT...

SEMICONDUCTOR LASER ELEMENT AND MANUFACTURING METHOD THEREOF

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING TH...

VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT, VERTICAL CAVITY SUR...

SEMICONDUCTOR LASER ELEMENT AND METHOD OF MANUFACTURING SEMICONDUCT...

NITRIDE BASED SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE...

Semiconductor laser device