YUUICHI MARUYAMA

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Patents Grantslast 30 patents

Information Patent Grant
Easy-to-open package having seal opening notch
- Patent number 6,343,876
- Issue date Feb 5, 2002
- Nippon Seiki Co., Ltd.
- Yoshimori Takahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
EASY-TO-OPEN PACKAGE HAVING SEAL OPENING NOTCH
- Publication number 20010014187
- Publication date Aug 16, 2001
- YOSHIMORI TAKAHASHI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL