Kiyoyuki Watanabe

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Jyoyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Agricultural covering film or sheet and method for thermal insulation
- Patent number 4,266,370
- Issue date May 12, 1981
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Yoshiaki Kodera
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Agricultural covering multilayer film or sheet structure and method...
- Patent number 4,250,661
- Issue date Feb 17, 1981
- Sekisui Kagaku Kogyo K.K.
- Yoshiaki Kodera
- B32 - LAYERED PRODUCTS
Information Patent Grant
Agricultural covering film or sheet and method for thermal insulati...
- Patent number 4,220,736
- Issue date Sep 2, 1980
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Yoshiaki Kodera
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Agricultural covering multilayer film or sheet structure and method...
- Patent number 4,214,034
- Issue date Jul 22, 1980
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Yoshiaki Kodera
- B32 - LAYERED PRODUCTS