Akihiko Yosizato

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Moriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Elastic polyurethane fibers and process for production thereof
- Patent number 5,879,799
- Issue date Mar 9, 1999
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akihiko Yosizato
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Diaminourea compound and process for production thereof and high he...
- Patent number 5,576,410
- Issue date Nov 19, 1996
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akihiko Yosizato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diaminourea compound and process for production thereof and high he...
- Patent number 5,414,118
- Issue date May 9, 1995
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akihiko Yosizato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monoester compound of 2,2-alkylidene bis(4,6-di-substituted phenol)
- Patent number 4,365,032
- Issue date Dec 21, 1982
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akihiko Yosizato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...