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Takamasa Sakai
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for supporting substrate, apparatus for measuring surface...
Patent number
7,869,062
Issue date
Jan 11, 2011
Dainippon Screen MFG Co., Ltd.
Yoshiyuki Nakazawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Substrate processing apparatus comprising ring-shaped motor
Patent number
7,073,521
Issue date
Jul 11, 2006
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Substrate cleaning apparatus
Patent number
6,598,805
Issue date
Jul 29, 2003
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
B08 - CLEANING
Information
Patent Grant
Method of and apparatus for washing a substrate
Patent number
5,857,474
Issue date
Jan 12, 1999
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
B08 - CLEANING
Information
Patent Grant
Non-destructive measuring sensor for semiconductor wafer and method...
Patent number
5,554,939
Issue date
Sep 10, 1996
Dainippon Screen Manufacturing Co., Ltd.
Sadao Hirae
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring lifetime of minority carriers in...
Patent number
5,444,389
Issue date
Aug 22, 1995
Dainippon Screen Mfg. Co., Ltd.
Sadao Hirae
G01 - MEASURING TESTING
Information
Patent Grant
Optical gap measuring device using frustrated internal reflection
Patent number
5,239,183
Issue date
Aug 24, 1993
Dainippon Screen Mfg. Co., Ltd.
Motohiro Kouno
G01 - MEASURING TESTING
Information
Patent Grant
Method of and apparatus for measuring electric characteristics of s...
Patent number
5,233,291
Issue date
Aug 3, 1993
Dainippon Screen Mfg. Co., Ltd.
Motohiro Kouno
G01 - MEASURING TESTING
Information
Patent Grant
Gap measuring device and method using frustrated internal reflection
Patent number
5,225,690
Issue date
Jul 6, 1993
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for heat treating substrates
Patent number
4,883,424
Issue date
Nov 28, 1989
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for heat-treating wafers
Patent number
4,849,608
Issue date
Jul 18, 1989
Dainippon Screen Mfg. Co., Ltd.
Yusuke Muraoka
C30 - CRYSTAL GROWTH
Information
Patent Grant
Heat processing apparatus for semiconductor manufacturing
Patent number
4,803,948
Issue date
Feb 14, 1989
Dainippon Screen Mfg. Co., Ltd.
Keiji Nakagawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of heating semiconductor and susceptor used therefor
Patent number
4,798,926
Issue date
Jan 17, 1989
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Feeder of oxygen gas containing steam
Patent number
4,693,208
Issue date
Sep 15, 1987
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Apparatus for supporting substrate, apparatus for measuring surface...
Publication number
20080174637
Publication date
Jul 24, 2008
DAINIPPON SCREEN MFG. CO. LTD.
Yoshiyuki Nakazawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Substrate processing apparatus and substrate processing method
Publication number
20060191556
Publication date
Aug 31, 2006
Dainippon Screen Mfg. Co., Ltd.
Yoshiyuki Nakazawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Substrate processing apparatus comprising ring-shaped motor
Publication number
20030056815
Publication date
Mar 27, 2003
Dainippon Screen Mfg. Co, Ltd.
Takamasa Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Substrate cleaning apparatus
Publication number
20020179732
Publication date
Dec 5, 2002
Dainippon Screen Mfg. Co., Ltd.
Takamasa Sakai
H01 - BASIC ELECTRIC ELEMENTS