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Masataka Watanabe
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Gunma-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing nitride semiconductor self-supporting subs...
Patent number
9,127,376
Issue date
Sep 8, 2015
Shin-Etsu Handotai Co., Ltd.
Shoichi Takamizawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for manufacturing compound semiconductor substrate, compound...
Patent number
8,003,421
Issue date
Aug 23, 2011
Shin-Etsu Handotai Co., Ltd.
Yukari Suzuki
C30 - CRYSTAL GROWTH
Information
Patent Grant
Angular substrates
Patent number
7,122,280
Issue date
Oct 17, 2006
Shin-Etsu Chemical Co., Ltd.
Jiro Moriya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Glass base material manufacturing apparatus and glass base material...
Patent number
7,055,345
Issue date
Jun 6, 2006
Yuuji Tobisaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber manufacture method, preform manufacture method, and p...
Patent number
6,848,276
Issue date
Feb 1, 2005
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for polishing angular substrates
Patent number
6,790,129
Issue date
Sep 14, 2004
Shin-Etsu Chemical Co., Ltd.
Jiro Moriya
B24 - GRINDING POLISHING
Information
Patent Grant
Method of making an optical fiber preform where a second elongation...
Patent number
6,779,362
Issue date
Aug 24, 2004
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
OVD apparatus including air-regulating structure
Patent number
6,672,112
Issue date
Jan 6, 2004
Shin-Etsu Chemical Co.
Yuuji Tobisaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Magnetron sputtering system and photomask blank production method b...
Patent number
6,666,957
Issue date
Dec 23, 2003
Shin-Etsu Chemical Co., Ltd.
Masataka Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Phase shift mask blank, phase shift mask, and methods of manufacture
Patent number
6,641,958
Issue date
Nov 4, 2003
Shin-Etsu Chemical Co., Ltd.
Yukio Inazuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Glass base material manufacturing apparatus with super imposed back...
Patent number
6,546,759
Issue date
Apr 15, 2003
Shin-Etsu Chemical Co., Ltd.
Yuuji Tobisaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber manufacture method including elongating a preform in...
Patent number
6,386,001
Issue date
May 14, 2002
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for fabricating compound semiconductor epitaxial wafer and v...
Patent number
6,184,049
Issue date
Feb 6, 2001
Shin-Etsu Handotai, Co., Ltd.
Masataka Watanabe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for manufacturing compound semiconductor epitaxial wafer
Patent number
6,171,394
Issue date
Jan 9, 2001
Shin-Etsu Handotai Co., Ltd.
Masataka Watanabe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Compound semiconductor epitaxial wafer
Patent number
6,057,592
Issue date
May 2, 2000
Shin-Etsu Handotai Co., Ltd.
Masataka Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
GaAsP epitaxial wafer and a method for manufacturing it
Patent number
6,048,397
Issue date
Apr 11, 2000
Shin-Etsu Handotai Co., Ltd.
Masahisa Endo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound semiconductor epitaxial wafer
Patent number
5,912,476
Issue date
Jun 15, 1999
Shin-Etsu Handotai Co., Ltd.
Masataka Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for vapor-phase growth
Patent number
5,759,264
Issue date
Jun 2, 1998
Shin-Etsu Handotai Co., Ltd.
Masataka Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monocrystal growing apparatus
Patent number
5,059,401
Issue date
Oct 22, 1991
Shin-Etsu Handotai Co., Ltd.
Masataka Watanabe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Heating coil for use in growth of single crystal
Patent number
5,051,242
Issue date
Sep 24, 1991
Shin-Etsu Handotai Co., Ltd.
Masataka Watanabe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of controlling floating zone
Patent number
4,931,945
Issue date
Jun 5, 1990
Shin-Etsu Handotai Company Limited
Kenichi Taguchi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Control of the power to the heater and the speed of movement of a c...
Patent number
4,876,438
Issue date
Oct 24, 1989
Shin-Etu Handotai Co., Ltd.
Masataka Watanabe
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of and apparatus for controlling floating zone of semiconduc...
Patent number
4,866,230
Issue date
Sep 12, 1989
Shin-Etu Handotai Company, Limited
Yasuhiro Ikeda
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING COMPOUND SEMICONDUCTOR SUBSTRATE, COMPOUND...
Publication number
20100276709
Publication date
Nov 4, 2010
SHIN-ETSU HANDOTAI, CO. LTD.
Yukari Suzuki
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR MANUFACTURING NITRIDE SEMICONDUCTOR SELF-SUPPORTING SUBS...
Publication number
20100001376
Publication date
Jan 7, 2010
Shin-Etsu Handotai Co., Ltd.
Shoichi Takamizawa
C30 - CRYSTAL GROWTH
Information
Patent Application
Optical fiber manufacture method, preform manufacture method, and p...
Publication number
20050132753
Publication date
Jun 23, 2005
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Glass base material manufacturing apparatus and glass base material...
Publication number
20030126893
Publication date
Jul 10, 2003
Shin-Etsu Chemical Co., Ltd.
Yuuji Tobisaka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Glass base material manufacturing apparatus and glass base material...
Publication number
20030121290
Publication date
Jul 3, 2003
Shin-Etsu Chemical Co., Ltd.
Yuuji Tobisaka
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for polishing angular substrates
Publication number
20030036340
Publication date
Feb 20, 2003
Jiro Moriya
B24 - GRINDING POLISHING
Information
Patent Application
Angular substrates
Publication number
20030031890
Publication date
Feb 13, 2003
Jiro Moriya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical fiber manufacture method, preform manufacture method, and p...
Publication number
20020152772
Publication date
Oct 24, 2002
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical fiber manufacture method, preform manufacture method, and p...
Publication number
20020148257
Publication date
Oct 17, 2002
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical fiber manufacture method, preform manufacture method, and p...
Publication number
20020144520
Publication date
Oct 10, 2002
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical fiber manufacture method, preform manufacture method, and p...
Publication number
20020139149
Publication date
Oct 3, 2002
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical fiber manufacture method, preform manufacture method, and p...
Publication number
20020139148
Publication date
Oct 3, 2002
Shin-Etsu Chemical Co., Ltd.
Yoshiaki Shimizu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Magnetron sputtering system and photomask blank production method b...
Publication number
20020125127
Publication date
Sep 12, 2002
Masataka Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Phase shift mask blank, phase shift mask, and methods of manufacture
Publication number
20020025478
Publication date
Feb 28, 2002
Shin-Etsu Shemical Co., Ltd.
Yukio Inazuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY