Hiroshi Fujimura

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Agent for treating metal ions in an aqueous solution, process for p...
- Patent number 5,474,593
- Issue date Dec 12, 1995
- Kawasaki Kasei Chemicals Ltd.
- Tatsuya Sakurai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
2-(1-alkylaminoalkyl)-3-hydroxy-1,4-naphthoquinone, process for its...
- Patent number 5,225,578
- Issue date Jul 6, 1993
- Kawasaki Kasei Chemicals Ltd.
- Hiroyuki Suganuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(1-alkylaminoalkyl)-3-hydroxy-1,4-naphthoquinone
- Patent number 4,980,489
- Issue date Dec 25, 1990
- Kawasaki Kasei Chemicals Ltd.
- Hiroyuki Suganuma
- C07 - ORGANIC CHEMISTRY