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Yoshio Yamashita
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information providing system for processing data in accordance with...
Patent number
7,590,559
Issue date
Sep 15, 2009
Canon Kabushiki Kaisha
Katsuhisa Ogawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mobile apparatus for performing data communication and presenting a...
Patent number
5,886,997
Issue date
Mar 23, 1999
Canon Kabushiki Kaisha
Kazutoshi Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and method for simultaneous communication o...
Patent number
5,581,560
Issue date
Dec 3, 1996
Canon Kabushiki Kaisha
Kazutoshi Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photomask and method of forming resist pattern using the same
Patent number
5,480,746
Issue date
Jan 2, 1996
Oki Electric Industry Co., Ltd.
Hideyuki Jinbo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming resist pattern and photomask therefor
Patent number
5,324,600
Issue date
Jun 28, 1994
Oki Electric Industry Co., Ltd.
Hideyuki Jinbo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative photoresist composition comprising a photosensitizer of a...
Patent number
5,128,231
Issue date
Jul 7, 1992
Oki Electric Industry Co., Ltd.
Toshio Itoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for forming photoresist pattern using contrast enhancement...
Patent number
4,889,795
Issue date
Dec 26, 1989
Oki Electric Industry Co., Ltd.
Katsuaki Kaifu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Pattern-forming material
Patent number
4,845,143
Issue date
Jul 4, 1989
Oki Electric Industry Co., Ltd.
Toshio Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming a photoresist pattern
Patent number
4,801,518
Issue date
Jan 31, 1989
Oki Electric Industry, Co., Ltd.
Yoshio Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for forming pattern with negative resist using quinone diaz...
Patent number
4,609,615
Issue date
Sep 2, 1986
Oki Electric Industry Co., Ltd.
Yoshio Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for forming a negative resist using high energy beam
Patent number
4,600,684
Issue date
Jul 15, 1986
Oki Electric Industry Co., Ltd.
Yoshio Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resists and method of manufacturing semiconductor elements by using...
Patent number
4,278,754
Issue date
Jul 14, 1981
Oki Electric Industry Co., Ltd.
Yoshio Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Information providing system for processing data in accordance with...
Publication number
20040078279
Publication date
Apr 22, 2004
Katsuhisa Ogawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Optical device for use in detecting the wavelength and intensity of...
Publication number
20010053265
Publication date
Dec 20, 2001
Yoshio Yamashita
G01 - MEASURING TESTING