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Takeshi Kawashima
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Hiratsuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor DBR, semiconductor light-emitting device, solid-state...
Patent number
9,864,106
Issue date
Jan 9, 2018
Canon Kabushiki Kaisha
Takeshi Kawashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reflector, surface-emitting laser, solid-state laser device, optoac...
Patent number
9,590,391
Issue date
Mar 7, 2017
Canon Kabushiki Kaisha
Takeshi Kawashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of producing microstructure of nitride semiconductor and pho...
Patent number
9,437,684
Issue date
Sep 6, 2016
Canon Kabushiki Kaisha
Shoichi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Nitride semiconductor surface emitting laser and method of manufact...
Patent number
9,356,428
Issue date
May 31, 2016
Canon Kabushiki Kaisha
Takeshi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Nitride semiconductor light-emitting device with a layer containing...
Patent number
9,287,454
Issue date
Mar 15, 2016
Canon Kabushiki Kaisha
Takeshi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for forming microstructure of nitride semiconductor, surfac...
Patent number
8,885,683
Issue date
Nov 11, 2014
Canon Kabushiki Kaisha
Katsuyuki Hoshino
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Distributed feedback surface emitting laser
Patent number
8,861,564
Issue date
Oct 14, 2014
Canon Kabushiki Kaisha
Yasuhiro Nagatomo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing semiconductor device and semiconductor device
Patent number
8,842,710
Issue date
Sep 23, 2014
Canon Kabushiki Kaisha
Yasuhiro Nagatomo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing microstructure of nitride semiconductor and pho...
Patent number
8,791,025
Issue date
Jul 29, 2014
Canon Kabushiki Kaisha
Shoichi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Manufacturing method of microstructure
Patent number
8,129,210
Issue date
Mar 6, 2012
Canon Kabushiki Kaisha
Takeshi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Mold for slip casting
Patent number
5,035,847
Issue date
Jul 30, 1991
Nippon Kokan Kabushiki Kaisha
Hiroaki Nishio
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for molding powders
Patent number
5,030,401
Issue date
Jul 9, 1991
NKK Corporation
Hiroaki Nishio
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of casting powder materials
Patent number
5,028,363
Issue date
Jul 2, 1991
NKK Corporation
Hiroaki Nishio
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for manufacturing a sintered body of silicon nitride
Patent number
4,971,740
Issue date
Nov 20, 1990
Nippon Kokan Kabushiki Kaisha
Hiroaki Nishio
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for manufacturing a sintered body with high density
Patent number
4,931,238
Issue date
Jun 5, 1990
Nippon Kokan Kabushiki Kaisha
Hiroaki Nishio
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Apparatus for manufacturing a sintered body with high density
Patent number
4,850,575
Issue date
Jul 25, 1989
Nippon Kokan Kabushiki Kaisha
Hiroaki Nishio
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
REFLECTOR, SURFACE-EMITTING LASER, SOLID-STATE LASER DEVICE, OPTOAC...
Publication number
20160268774
Publication date
Sep 15, 2016
Canon Kabushiki Kaisha
Takeshi Kawashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DBR, SEMICONDUCTOR LIGHT-EMITTING DEVICE, SOLID-STATE...
Publication number
20140377459
Publication date
Dec 25, 2014
Takeshi Kawashima
G02 - OPTICS
Information
Patent Application
METHOD OF PRODUCING MICROSTRUCTURE OF NITRIDE SEMICONDUCTOR AND PHO...
Publication number
20140327015
Publication date
Nov 6, 2014
Shoichi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Application
NITRIDE SEMICONDUCTOR SURFACE EMITTING LASER AND METHOD OF MANUFACT...
Publication number
20140126600
Publication date
May 8, 2014
Canon Kabushiki Kaisha
Takeshi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Application
NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCIN...
Publication number
20140097456
Publication date
Apr 10, 2014
Canon Kabushiki Kaisha
Takeshi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Application
PROCESS FOR FORMING MICROSTRUCTURE OF NITRIDE SEMICONDUCTOR, SURFAC...
Publication number
20130163628
Publication date
Jun 27, 2013
Canon Kabushiki Kaisha
Katsuyuki Hoshino
B82 - NANO-TECHNOLOGY
Information
Patent Application
DISTRIBUTED FEEDBACK SURFACE EMITTING LASER
Publication number
20120269224
Publication date
Oct 25, 2012
Canon Kabushiki Kaisha
Yasuhiro Nagatomo
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD OF PRODUCING MICROSTRUCTURE OF NITRIDE SEMICONDUCTOR AND PHO...
Publication number
20110237077
Publication date
Sep 29, 2011
Canon Kabushiki Kaisha
Shoichi Kawashima
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE
Publication number
20110134956
Publication date
Jun 9, 2011
Canon Kabushiki Kaisha
Yasuhiro Nagatomo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF MICROSTRUCTURE
Publication number
20110039364
Publication date
Feb 17, 2011
Canon Kabushiki Kaisha
Takeshi Kawashima
B82 - NANO-TECHNOLOGY
Information
Patent Application
Refining agent and refining method
Publication number
20060096416
Publication date
May 11, 2006
JFE STEEL CORPORATION
Yoshie Nakai
C21 - METALLURGY OF IRON
Information
Patent Application
Refining agent and refining method
Publication number
20050257644
Publication date
Nov 24, 2005
NKK Corporation
Yoshie Nakai
C21 - METALLURGY OF IRON