Junji Seki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer structure polymer and resin composition
- Patent number 5,137,979
- Issue date Aug 11, 1992
- Asahi Kasei Kogyo Kabushiki Kaisha
- Katsuaki Maeda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic acrylic resin composition
- Patent number 5,039,749
- Issue date Aug 13, 1991
- Asahi Kasei Kogyo Kabushiki Kaisha
- Junji Seki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Extruded rigid thermoplastic sheet having optically smooth surfaces
- Patent number 4,327,149
- Issue date Apr 27, 1982
- Asahi Kasei Kogyo Kabushiki Kaisha
- Tsuneyuki Katoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Extruded rigid thermoplastic sheet having optically smooth surfaces
- Patent number 4,247,507
- Issue date Jan 27, 1981
- Asahi Kasei Kogyo Kabushiki Kaisha
- Tsuneyuki Katoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composition comprising a thermoplastic resin and mineral filler par...
- Patent number 4,242,251
- Issue date Dec 30, 1980
- Asahi Kasei Kogyo Kabushiki Kaisha
- Itsuho Aishima
- C01 - INORGANIC CHEMISTRY