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Tomoji Watanabe
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Tsuchiura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for manufacturing semiconductor substrates
Patent number
7,485,874
Issue date
Feb 3, 2009
Sumco Corporation
Seiichi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing semiconductor and apparatus for production
Patent number
6,656,838
Issue date
Dec 2, 2003
Hitachi, Ltd.
Tomoji Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Substrate temperature control system and method for controlling tem...
Patent number
6,518,548
Issue date
Feb 11, 2003
Hitachi, Ltd.
Masakazu Sugaya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor wafer processing apparatus for transferring a wafer m...
Patent number
6,462,411
Issue date
Oct 8, 2002
Kokusai Electric Co., Ltd.
Tomoji Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing semiconductor and apparatus for production
Patent number
6,403,479
Issue date
Jun 11, 2002
Hitachi, Ltd.
Tomoji Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Substrate temperature control system and method for controlling tem...
Patent number
6,394,797
Issue date
May 28, 2002
Hitachi, Ltd.
Masakazu Sugaya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum heating furnace with tapered portion
Patent number
6,288,368
Issue date
Sep 11, 2001
Hitachi, Ltd.
Hiroki Kawada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum heating furnace with tapered portion
Patent number
6,093,911
Issue date
Jul 25, 2000
Hitachi, Ltd.
Hiroki Kawada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Temperature measuring apparatus utilizing radiation
Patent number
5,235,399
Issue date
Aug 10, 1993
Hitachi, Ltd.
Tatehito Usui
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for performing heat treatment on semiconductor...
Patent number
5,001,327
Issue date
Mar 19, 1991
Hitachi, Ltd.
Shigeki Hirasawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Apparatus for manufacturing semiconductor substrates
Publication number
20070114458
Publication date
May 24, 2007
Seiichi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process for producing semiconductor and apparatus for production
Publication number
20020137334
Publication date
Sep 26, 2002
Tomoji Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Substrate temperature control system and method for controlling tem...
Publication number
20020113056
Publication date
Aug 22, 2002
Hitachi, Ltd.
Masakazu Sugaya
H01 - BASIC ELECTRIC ELEMENTS