Hiroshi Nakatsuji

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Patents Grantslast 30 patents

Information Patent Grant
Flame-retardant polybutylene terephthalate resin composition and mo...
- Patent number 5,043,371
- Issue date Aug 27, 1991
- Polyplastics Co., Ltd.
- Michio Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyester composition
- Patent number 4,859,741
- Issue date Aug 22, 1989
- Polyplastics Co., Ltd.
- Katsuhiko Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing polyacetal polymer showing improved heat resist...
- Patent number 4,622,385
- Issue date Nov 11, 1986
- Polyplastics Company, Ltd.
- Takeshi Asano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing an improved polyacetal polymer
- Patent number 4,540,773
- Issue date Sep 10, 1985
- Polyplastics Company, Ltd.
- Hiroyasu Komazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...