Keizo Tatsukawa

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Machida, JA

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Patents Grantslast 30 patents

Information Patent Grant
Novel resinous material
- Patent number 4,039,710
- Issue date Aug 2, 1977
- Kyowa Hakko Kogyo Co., Ltd.
- Yasuo Fujimoto
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Novel resinous material by reaction of epoxy compounds and polyglut...
- Patent number 3,945,952
- Issue date Mar 23, 1976
- Kyowa Hakko Kogyo Co., Ltd.
- Yasuo Fujimoto
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for preparing N-carboxylic anhydrides of amino acids
- Patent number 3,936,469
- Issue date Feb 3, 1976
- Kyowa Hakko Kogyo Kabushiki Kaisha
- Yasuo Fujimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyurethanes based on amino-acids or derivatives thereof
- Patent number 3,932,359
- Issue date Jan 13, 1976
- Kyowa Hakko Kogyo Co., Ltd.
- Yasuo Fujimoto
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...