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Masazumi Hasegawa
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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Packing material with excellent hydrophilicity and process for prod...
Patent number
9,028,683
Issue date
May 12, 2015
Tosoh Corporation
Katsuo Komiya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Planarizing material and planarizing method
Patent number
5,677,380
Issue date
Oct 14, 1997
Tosoh Corporation
Kosaburo Matsumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive material having a silicon-containing polymer
Patent number
5,290,899
Issue date
Mar 1, 1994
Tosoh Corporation
Akinobu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing fine patterns utilizing specific polymeric dia...
Patent number
5,223,376
Issue date
Jun 29, 1993
Toyo Soda Manufacturing Co., Ltd.
Masazumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Positive photosensitive composition for forming lenses containing 1...
Patent number
5,183,722
Issue date
Feb 2, 1993
Tosoh Corporation
Yoshitaka Tsutsumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of making resist pattern
Patent number
5,139,922
Issue date
Aug 18, 1992
Matsushita Electronics Corporation
Hisashi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive material having a silicon-containing polymer
Patent number
5,057,396
Issue date
Oct 15, 1991
Tosoh Corporation
Akinobu Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
NOVEL PACKING MATERIAL WITH EXCELLENT HYDROPHILICITY AND PROCESS FO...
Publication number
20100029914
Publication date
Feb 4, 2010
TOSOH CORPORATION
Katsuo Komiya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...