Keichiro Saito

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sealable crosslinked oriented polyethylene film and production...
- Patent number 5,185,203
- Issue date Feb 9, 1993
- Tonen Sekiyukagaku K.K.
- Yasushi Itaba
- B32 - LAYERED PRODUCTS
Information Patent Grant
Differentially crosslinked and oriented polyethylene film
- Patent number 4,705,714
- Issue date Nov 10, 1987
- Toa Nenryo Kogyo K.K.
- Yasushi Itaba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polyethylene stretched film
- Patent number 4,673,619
- Issue date Jun 16, 1987
- Toa Nenryo Kabushiki Kaisha
- Yasushi Itaba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing crosslinked polyethylene stretched film
- Patent number 4,636,340
- Issue date Jan 13, 1987
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yasushi Itaba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing oriented polyethylene film
- Patent number 4,590,020
- Issue date May 20, 1986
- Toa Nenryo Kogyo Kabushiki Kaisha
- Yasushi Itaba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL