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Yoshitaka Kobayashi
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Yamagata-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ceramic insulation coated electric wire self-fusing ceramic insulat...
Patent number
6,867,374
Issue date
Mar 15, 2005
Totoku Electric Co., Ltd.
Toshihiro Ishigaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Speaker device and associated method for manufacturing the speaker...
Patent number
6,788,799
Issue date
Sep 7, 2004
Pioneer Electronic Corporation
Toshihiro Ishigaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Molded foam resin, process for forming the same and speaker diaphra...
Patent number
6,742,622
Issue date
Jun 1, 2004
Pioneer Corporation
Masatoshi Sato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Molded foam resin, process for forming the same and speaker diaphra...
Patent number
6,334,504
Issue date
Jan 1, 2002
Pioneer Corporation
Masatoshi Sato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Ceramic isulation coated electric wire self-fusing ceramic insulati...
Publication number
20040076842
Publication date
Apr 22, 2004
Toshihiro Ishigaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Molded foam resin, process for forming the same and speaker diaphra...
Publication number
20020027040
Publication date
Mar 7, 2002
PIONEER CORPORATION
Masatoshi Sato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Speaker parts and method of fabricating the speaker parts
Publication number
20010022846
Publication date
Sep 20, 2001
Pioneer Corporation; Tohoku Pioneer Corporation
Toshihiro Ishigaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE