Shigekazu Kumazaki

Follow

Person

Kariya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Blow molding method, blow molded product and blow molding mold
- Patent number 6,759,003
- Issue date Jul 6, 2004
- Idemitsu Petrochemical Co., Ltd.
- Tomoyuki Obara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL