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Keiichi FUJITANI
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Dimensionally variable lid manufacturing method and dimensionally v...
Patent number
11,833,774
Issue date
Dec 5, 2023
Rengo Co., Ltd.
Yoshitsune Tanaka
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Patents Applications
last 30 patents
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Patent Application
WAVEFORM PRESSURE-BONDED PACKAGE OF A PAPER MEMBER
Publication number
20240327089
Publication date
Oct 3, 2024
Rengo Co., Ltd.
Takashi Kajizuka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Application
DIMENSIONALLY VARIABLE LID MANUFACTURING METHOD AND DIMENSIONALLY V...
Publication number
20220176670
Publication date
Jun 9, 2022
Yoshitsune TANAKA
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD