Hiroyoshi Kamatani

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Urethane polymers containing a tertiary nitrogen atom, and their pr...
- Patent number 4,562,239
- Issue date Dec 31, 1985
- Toyo Boseki Kabushiki Kaisha
- Noriomi Yamane
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biaxially stretched polyester films
- Patent number 4,454,312
- Issue date Jun 12, 1984
- Toyo Boseki Kabushiki Kaisha
- Katsuaki Kuze
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL