Membership
Tour
Register
Log in
Koshi Tamamura
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device
Patent number
8,050,305
Issue date
Nov 1, 2011
Sony Corporation
Katsumi Kishino
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
Patent number
8,008,165
Issue date
Aug 30, 2011
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Grant
EL semiconductor device
Patent number
7,899,104
Issue date
Mar 1, 2011
Hitachi, Ltd.
Katsumi Kishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
Patent number
7,786,488
Issue date
Aug 31, 2010
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Grant
Optical semiconductor devices on InP substrate
Patent number
7,772,586
Issue date
Aug 10, 2010
Sophia School Corporation
Katsumi Kishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
Patent number
7,535,082
Issue date
May 19, 2009
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Grant
Method of manufacturing a semiconductor light emitting device, semi...
Patent number
7,176,499
Issue date
Feb 13, 2007
Sony Corporation
Tsunenori Asatsuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor light emitting device, semi...
Patent number
7,091,056
Issue date
Aug 15, 2006
Sony Corporation
Tsunenori Asatsuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor wafer and method of processing nitride semico...
Patent number
6,875,082
Issue date
Apr 5, 2005
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Grant
Semiconductor light emitting device with carrier diffusion suppress...
Patent number
6,084,251
Issue date
Jul 4, 2000
Sony Corporation
Koshi Tamamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Determination of critical film thickness of a compound semiconducto...
Patent number
6,024,794
Issue date
Feb 15, 2000
Sony Corporation
Koshi Tamamura
C30 - CRYSTAL GROWTH
Information
Patent Grant
MBE system and semiconductor device fabricated, using same
Patent number
5,989,339
Issue date
Nov 23, 1999
Sony Corporation
Koshi Tamamura
C30 - CRYSTAL GROWTH
Information
Patent Grant
Semiconductor light emitting device with current blocking region
Patent number
5,949,093
Issue date
Sep 7, 1999
Sony Corporation
Koshi Tamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing film of nitrogen-doped II-VI group compound sem...
Patent number
5,865,897
Issue date
Feb 2, 1999
Sony Corporation
Satoshi Ito
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for growing a II-VI compound semiconductor layer containing...
Patent number
5,780,322
Issue date
Jul 14, 1998
Sony Corporation
Koshi Tamamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Determination of critical film thickness of a compound semiconducto...
Patent number
5,695,556
Issue date
Dec 9, 1997
Sony Corporation
Koshi Tamamura
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
NITRIDE SEMICONDUCTOR WAFER AND METHOD OF PROCESSING NITRIDE SEMICO...
Publication number
20100279440
Publication date
Nov 4, 2010
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20100040103
Publication date
Feb 18, 2010
Hitachi, Ltd
Katsumi Kishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR WAFER AND METHOD OF PROCESSING NITRIDE SEMICO...
Publication number
20090250790
Publication date
Oct 8, 2009
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Application
EL SEMICONDUCTOR DEVICE
Publication number
20090059985
Publication date
Mar 5, 2009
Katsumi Kishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20080298415
Publication date
Dec 4, 2008
SONY CORPORATION
Katsumi Kishino
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20080247434
Publication date
Oct 9, 2008
SONY CORPORATION
Katsumi Kishino
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD OF MANUFACTURING A SEMICONDUCTOR LIGHT EMITTING DEVICE, SEMI...
Publication number
20070117357
Publication date
May 24, 2007
Tsunenori Asatsuma
C30 - CRYSTAL GROWTH
Information
Patent Application
Optical semiconductor devices on InP substrate
Publication number
20070051937
Publication date
Mar 8, 2007
Katsumi Kishino
B82 - NANO-TECHNOLOGY
Information
Patent Application
Method of manufacturing a semiconductor light emitting device, semi...
Publication number
20050227392
Publication date
Oct 13, 2005
Tsunenori Asatsuma
C30 - CRYSTAL GROWTH
Information
Patent Application
Nitride semiconductor wafer and method of processing nitride semico...
Publication number
20050145879
Publication date
Jul 7, 2005
Sumitomo Electric Industries, Ltd.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Application
Nitride semiconductor wafer and method of processing nitride semico...
Publication number
20040221799
Publication date
Nov 11, 2004
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Masahiro Nakayama
B24 - GRINDING POLISHING
Information
Patent Application
Method of manufacturing a semiconductor light emitting device, semi...
Publication number
20040164308
Publication date
Aug 26, 2004
Tsunenori Asatsuma
C30 - CRYSTAL GROWTH