Hiroyuki Yamagata

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing foamed-in-mold product of aromatic polyester b...
- Patent number 6,527,993
- Issue date Mar 4, 2003
- Sekisui Plastics Co., Ltd.
- Takaaki Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of molding expandable styrene type resin particles
- Patent number 5,683,637
- Issue date Nov 4, 1997
- Sekisui Kaseihin Kogyo Kabushiki Kaisha
- Ikuo Morioka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Expandable styrene type resin particles and foamed articles from sa...
- Patent number 5,580,649
- Issue date Dec 3, 1996
- Sekisui Kaseihin Kogyo Kabushiki Kaisha
- Ikuo Morioka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL