Nobuyoshi Hosaka

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Patents Grantslast 30 patents

Information Patent Grant
Water purifier
- Patent number 4,678,571
- Issue date Jul 7, 1987
- Hitachi, Ltd.
- Nobuyoshi Hosaka
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Anti-corrosive sealing tape
- Patent number 4,572,868
- Issue date Feb 25, 1986
- Hitachi, Ltd.
- Nobuyoshi Hosaka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Anti-crevice corrosion sealant and method for anti-crevice corrosion
- Patent number 4,433,093
- Issue date Feb 21, 1984
- Hitachi, Ltd.
- Shigeru Shida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anti-crevice corrosion sealants for metals
- Patent number 4,171,297
- Issue date Oct 16, 1979
- Hitachi Ltd.
- Nobuyoshi Hosaka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for preventing erosion-corrosion of hydraulic capsule transp...
- Patent number 4,129,337
- Issue date Dec 12, 1978
- Hitachi, Ltd.
- Nobuyoshi Hosaka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...