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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,501,221
Issue date
Mar 10, 2009
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,435,530
Issue date
Oct 14, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,390,612
Issue date
Jun 24, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,326,515
Issue date
Feb 5, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,323,287
Issue date
Jan 29, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method of forming resist pattern, positive resist composition, and...
Patent number
7,316,885
Issue date
Jan 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Hideo Hada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,316,888
Issue date
Jan 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Positive type resist composition and resist pattern formation metho...
Patent number
7,316,889
Issue date
Jan 8, 2008
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for refining crude resin for resist
Patent number
7,276,575
Issue date
Oct 2, 2007
Tokyo Ohka Kogyo Co., Ltd.
Hideo Hada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive resist composition and method of forming resist pattern fr...
Patent number
7,074,543
Issue date
Jul 11, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Multilayered body for photolithographic patterning
Patent number
7,033,731
Issue date
Apr 25, 2006
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative resist composition
Patent number
6,936,400
Issue date
Aug 30, 2005
Tokyo Ohka Kogyo Co., Ltd.
Ryoichi Takasu
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Negative-working photoresist composition
Patent number
6,864,036
Issue date
Mar 8, 2005
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Negative working resist composition
Patent number
6,544,712
Issue date
Apr 8, 2003
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Multilayered body for photolithographic patterning
Patent number
6,455,228
Issue date
Sep 24, 2002
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative-working photoresist composition
Patent number
6,406,829
Issue date
Jun 18, 2002
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative-working chemical-amplification photoresist composition
Patent number
6,171,749
Issue date
Jan 9, 2001
Tokyo Ohka Kogyo Co., Ltd.
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
POSITIVE TYPE RESIST COMPOSITION AND RESIST PATTERN FORMATION METHO...
Publication number
20070190455
Publication date
Aug 16, 2007
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition and method for forming resist pattern u...
Publication number
20060194141
Publication date
Aug 31, 2006
Tokyo Ohka Kogyo Co., Ltd.
Hideo Hada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of forming resist pattern, positive resist composition, and...
Publication number
20060154181
Publication date
Jul 13, 2006
Hideo Hada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Polymer and positive type resist composition
Publication number
20060147832
Publication date
Jul 6, 2006
Hideo Hada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Resist composition and method of forming resist pattern using same
Publication number
20060141382
Publication date
Jun 29, 2006
Masaru Takeshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060134553
Publication date
Jun 22, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process for refining crude resin for resist
Publication number
20060135745
Publication date
Jun 22, 2006
Hideo Hada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060134552
Publication date
Jun 22, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060127807
Publication date
Jun 15, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20060127806
Publication date
Jun 15, 2006
Tokyo Ohka Kogyo Co., Ltd.
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive type resist composition and resist pattern formation metho...
Publication number
20050095535
Publication date
May 5, 2005
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Multilayered body for photolithographic patterning
Publication number
20050008972
Publication date
Jan 13, 2005
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positive resist composition and method of forming resist pattern fr...
Publication number
20040110085
Publication date
Jun 10, 2004
Takeshi Iwai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Negative resist composition
Publication number
20040009427
Publication date
Jan 15, 2004
Tokyo Ohka Kogyo Co., Ltd.
Ryoichi Takasu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Multilayered body for photolithographic patterning
Publication number
20020146645
Publication date
Oct 10, 2002
Toshikazu Tachikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Negative-working photoresist composition
Publication number
20020061467
Publication date
May 23, 2002
Toshikazu Tachikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC