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Yoshihisa Kawamoto
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Die used for resin-sealing and molding an electronic component
Patent number
6,773,247
Issue date
Aug 10, 2004
Towa Corporation
Michio Osada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of and apparatus for molding resin to seal electronic parts
Patent number
5,834,035
Issue date
Nov 10, 1998
Towa Corporation
Michio Osada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of sealing electronic parts with molded resin and mold emplo...
Patent number
5,753,538
Issue date
May 19, 1998
Towa Corporation
Takaki Kuno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resin sealing/molding apparatus for electronic parts
Patent number
5,750,154
Issue date
May 12, 1998
Towa Corporation
Keiji Maeda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of molding resin to seal electronic parts using two evacuati...
Patent number
5,603,879
Issue date
Feb 18, 1997
Towa Corporation
Michio Osada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resin molding apparatus for sealing an electronic device
Patent number
5,507,633
Issue date
Apr 16, 1996
Towa Corporation
Michio Osada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of molding resin for sealing an electronic device
Patent number
5,435,953
Issue date
Jul 25, 1995
Towa Corporation
Michio Osada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING RESIN MOLDED ARTICLE
Publication number
20230364833
Publication date
Nov 16, 2023
TOWA CORPORATION
Yoshihisa KAWAMOTO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
RESIN MOLDING APPARATUS, COVER PLATE, AND RESIN MOLDED ARTICLE PROD...
Publication number
20230202079
Publication date
Jun 29, 2023
TOWA CORPORATION
Yoshihisa KAWAMOTO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL