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Yasuo Shibata
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical semiconductor device and optical semiconductor integrated c...
Patent number
7,738,520
Issue date
Jun 15, 2010
Nippon Telegraph and Telephone Corporation
Nobuhiro Nunoya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical semiconductor device and optical semiconductor integrated c...
Patent number
7,474,817
Issue date
Jan 6, 2009
Nippon Telegraph and Telephone Corporation
Nobuhiro Nunoya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical semiconductor device and optical semiconductor integrated c...
Patent number
7,471,864
Issue date
Dec 30, 2008
Nippon Telegraph and Telephone Corporation
Nobuhiro Nunoya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier
Patent number
7,262,905
Issue date
Aug 28, 2007
Nippon Telegraph and Telephone Corporation
Yasuo Shibata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier
Patent number
7,221,500
Issue date
May 22, 2007
Nippon Telegraph and Telephone Corporation
Yasuo Shibata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier
Patent number
7,088,501
Issue date
Aug 8, 2006
Nippon Telegraph and Telephone Corporation
Yasuo Shibata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-controlled light modulator
Patent number
6,961,169
Issue date
Nov 1, 2005
Nippon Telegraph and Telephone Corporation
Yasuo Shibata
G02 - OPTICS
Information
Patent Grant
Light-controlled light modulator
Patent number
6,753,996
Issue date
Jun 22, 2004
Nippon Telegraph and Telephone Corporation
Yasuo Shibata
G02 - OPTICS
Information
Patent Grant
Supporting structure for motor rotor
Patent number
6,692,152
Issue date
Feb 17, 2004
Nidec Copal Corporation
Hiroyuki Shingai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Mechanism for preventing uneven take-up of tape
Patent number
6,131,840
Issue date
Oct 17, 2000
Fujitsu Limited
Hirataka Ukai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical switch
Patent number
5,444,802
Issue date
Aug 22, 1995
Nippon Telegraph & Telephone Corporation
Yasuo Shibata
G02 - OPTICS
Information
Patent Grant
Transmissive surface layer effect electro-optic device for use in o...
Patent number
4,264,125
Issue date
Apr 28, 1981
Xerox Corporation
Yasuo Shibata
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
VULCANIZATION MOLD AND PNEUMATIC TIRE MANUFACTURED WITH THE MOLD
Publication number
20210379849
Publication date
Dec 9, 2021
Bridgestone Corporation
Tatsuhiko HATANO
B60 - VEHICLES IN GENERAL
Information
Patent Application
VULCANIZATION MOLD AND PNEUMATIC TIRE MANUFACTURED WITH THE MOLD
Publication number
20210379848
Publication date
Dec 9, 2021
Bridgestone Corporation
Tatsuhiko HATANO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
VULCANIZATION MOLD AND PNEUMATIC TIRE MANUFACTURED WITH THE MOLD
Publication number
20210379850
Publication date
Dec 9, 2021
Bridgestone Corporation
Tatsuhiko HATANO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
TIRE
Publication number
20200189329
Publication date
Jun 18, 2020
Bridgestone Corporation
Shinichiro YAMAZAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
TIRE
Publication number
20200009921
Publication date
Jan 9, 2020
Bridgestone Corporation
Shinichiro YAMAZAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND OPTICAL SEMICONDUCTOR INTEGRATED C...
Publication number
20070223856
Publication date
Sep 27, 2007
Nippon Telegraph and Telephone Corporation
Nobuhiro Nunoya
G02 - OPTICS
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND OPTICAL SEMICONDUCTOR INTEGRATED C...
Publication number
20070223857
Publication date
Sep 27, 2007
Nippon Telegraph and Telephone Corporation
Nobuhiro Nunoya
G02 - OPTICS
Information
Patent Application
WAVELENGTH TUNABLE DISTRIBUTED BRAGG REFLECTOR (DBR) LASER
Publication number
20070041415
Publication date
Feb 22, 2007
Nippon Telegraph and Telephone Corporation
Naoki Fujiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical amplifier
Publication number
20060268399
Publication date
Nov 30, 2006
Yasuo Shibata
G02 - OPTICS
Information
Patent Application
Optical amplifier
Publication number
20060232851
Publication date
Oct 19, 2006
Yasuo Shibata
G02 - OPTICS
Information
Patent Application
Optical semiconductor device and optical semiconductor in tegrated...
Publication number
20060050752
Publication date
Mar 9, 2006
Nobuhiro Nunoya
G02 - OPTICS
Information
Patent Application
Light-controlled light modulator
Publication number
20040190809
Publication date
Sep 30, 2004
Nippon Telegraph and Telephone Corporation
Yasuo Shibata
G02 - OPTICS
Information
Patent Application
Optical amplifier
Publication number
20030067678
Publication date
Apr 10, 2003
Yasuo Shibata
G02 - OPTICS
Information
Patent Application
Light-controlled light modulator
Publication number
20020101293
Publication date
Aug 1, 2002
Nippon Telegraph
Yasuo Shibata
G02 - OPTICS
Information
Patent Application
Method of molding a bearing housing and motor using the bearing hou...
Publication number
20020096953
Publication date
Jul 25, 2002
Hiroyuki Shingai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Supporting structure for motor rotor
Publication number
20020061149
Publication date
May 23, 2002
Hiroyuki Shingai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...