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Koichi Sekiguchi
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Resin composition for reinforcement and electronic component device
Patent number
11,447,626
Issue date
Sep 20, 2022
KOKI COMPANY LIMITED
Takeshi Yahagi
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Intercom calling apparatus in a key telephone system
Patent number
4,175,216
Issue date
Nov 20, 1979
Iwatsu Electric Co., Ltd.
Gunzo Kita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Resin Composition for Reinforcement and Electronic Component Device
Publication number
20200325326
Publication date
Oct 15, 2020
KOKI COMPANY LIMITED
Takeshi Yahagi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...