Toshiki Sotoyama

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Ohtake, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for polymerizing alpha-olefins
- Patent number 6,121,393
- Issue date Sep 19, 2000
- Mitsui Chemicals
- Mamoru Kioka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic copolyester derived from aromatic dicarboxylic acid compon...
- Patent number 4,731,433
- Issue date Mar 15, 1988
- Mitsui Petrochemical Industries, Ltd.
- Tadao Yatsu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stretched film structure of the poly-1,3-phenylene terephthalate type
- Patent number 4,390,683
- Issue date Jun 28, 1983
- Mitsui Petrochemical Industries Ltd.
- Tadao Yatsu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...