Takao Hasegawa

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a dampening roll cover
- Patent number 4,451,311
- Issue date May 29, 1984
- Firma Carl Freudenberg
- Tadashi Miyazaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for the manufacture of a battery separator using tubing
- Patent number 4,356,046
- Issue date Oct 26, 1982
- Firma Carl Freudenberg
- Hiroaki Yamazaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL