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Takeshi Yamashita
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Bisphenol-based resin, electrode, lead storage battery, production...
Patent number
9,997,782
Issue date
Jun 12, 2018
Hitachi Chemical Company, Ltd.
Kousuke Hara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength conversion-type photovoltaic cell sealing material and p...
Patent number
8,860,165
Issue date
Oct 14, 2014
Hitachi Chemical Company, Ltd.
Kaoru Okaniwa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Optical transmitter and optical communications device
Patent number
8,213,472
Issue date
Jul 3, 2012
OpNext Japan, Inc.
Masahiro Hirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Telephone terminal and method for supplying power to the same
Patent number
7,634,079
Issue date
Dec 15, 2009
Kabushiki Kaisha Toshiba
Takeshi Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter module
Patent number
7,626,825
Issue date
Dec 1, 2009
OpNext Japan, Inc.
Hisashi Takamatsu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Phase frequency synchronism circuitry and optical receiver
Patent number
7,099,407
Issue date
Aug 29, 2006
OpNext Japan, Inc.
Atsushi Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modules and methods of making the optical modules
Patent number
6,979,810
Issue date
Dec 27, 2005
OpNext Japan, Inc.
Norio Chujo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electromagnetic relay
Patent number
6,731,190
Issue date
May 4, 2004
Takamisawa Electric Co., Ltd.
Takeshi Yamashita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for receiving tone signal, apparatus for transmitting ton...
Patent number
6,668,057
Issue date
Dec 23, 2003
Kabushiki Kaisha Toshiba
Eiji Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase frequency synchronism circuit and optical receiver
Patent number
6,600,797
Issue date
Jul 29, 2003
Hitachi, Ltd.
Atsushi Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiver circuit and optical module using same in optical c...
Patent number
6,595,708
Issue date
Jul 22, 2003
Opnext Japan, Inc.
Takeshi Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
BISPHENOL-BASED RESIN, ELECTRODE, LEAD STORAGE BATIERY, PRODUCTION...
Publication number
20180076460
Publication date
Mar 15, 2018
Hitachi Chemical Company, Ltd.
Kousuke HARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BISPHENOL-BASED RESIN, ELECTRODE, LEAD STORAGE BATTERY, PRODUCTION...
Publication number
20170033362
Publication date
Feb 2, 2017
Hitachi Chemical Company, Ltd.
Kousuke HARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INORGANIC PHOSPHOR-CONTAINING POLYMER PARTICLES, METHOD FOR PRODUCI...
Publication number
20150047703
Publication date
Feb 19, 2015
HITACHI CHEMICAL COMPANY, LTD.
Taku Sawaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
WAVELENGTH CONVERSION-TYPE PHOTOVOLTAIC CELL SEALING MATERIAL AND P...
Publication number
20130328149
Publication date
Dec 12, 2013
Kaoru Okaniwa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RARE EARTH METAL COMPLEX
Publication number
20130310547
Publication date
Nov 21, 2013
Hitachi Chemical Company, Ltd.
Takeshi Yamashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SPHERICAL PHOSPHOR, WAVELENGTH CONVERSION-TYPE PHOTOVOLTAIC CELL SE...
Publication number
20130255778
Publication date
Oct 3, 2013
Hitachi Chemical Company, Ltd.
Kaoru Okaniwa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RARE EARTH METAL COMPLEX
Publication number
20130231468
Publication date
Sep 5, 2013
Takeshi Yamashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
WAVELENGTH CONVERSION TYPE PHOTOVOLTAIC CELL SEALING MATERIAL AND P...
Publication number
20130125985
Publication date
May 23, 2013
Taku Sawaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RARE EARTH METAL COMPLEX
Publication number
20130090460
Publication date
Apr 11, 2013
Hitachi Chemical Company, Ltd.
Takeshi Yamashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
WAVELENGTH CONVERSION TYPE PHOTOVOLTAIC CELL SEALING SHEET AND PHOT...
Publication number
20130074928
Publication date
Mar 28, 2013
MITSUBISHI ELECTRIC CORPORATION
Taku Sawaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVELENGTH-CONVERTING RESIN COMPOSITION FOR PHOTOVOLTAIC CELL AND P...
Publication number
20130080116
Publication date
Mar 28, 2013
Hitachi Chemical Company ,Ltd.
Kaoru Okaniwa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SPHERICAL PHOSPHOR, WAVELENGTH CONVERSION-TYPE PHOTOVOLTAIC CELL SE...
Publication number
20130068299
Publication date
Mar 21, 2013
Hitachi Chemical Company, Ltd.
Kaoru Okaniwa
B32 - LAYERED PRODUCTS
Information
Patent Application
Optical transmitter module
Publication number
20080196929
Publication date
Aug 21, 2008
Hisashi Takamatsu
G02 - OPTICS
Information
Patent Application
OPTICAL TRANSMITTER AND OPTICAL COMMUNICATIONS DEVICE
Publication number
20080175601
Publication date
Jul 24, 2008
Masahiro Hirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IP telephone apparatus and method of controlling the same
Publication number
20070127708
Publication date
Jun 7, 2007
Takeshi Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Telephone terminal and method for supplying power to the same
Publication number
20060003816
Publication date
Jan 5, 2006
Takeshi Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical modules and methods of making the optical modules
Publication number
20040067068
Publication date
Apr 8, 2004
Norio Chujo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Phase frequency synchronism circuitry and optical receiver
Publication number
20030202804
Publication date
Oct 30, 2003
Hitachi, Ltd
Atsushi Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical module testing method and testing system
Publication number
20030081278
Publication date
May 1, 2003
OpNext Japan, Inc.
Norio Chujo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electromagnetic relay
Publication number
20020109569
Publication date
Aug 15, 2002
TAKAMISAWA ELECTRIC CO., LTD
Takeshi Yamashita
H01 - BASIC ELECTRIC ELEMENTS