Tetsuzo Arai

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Takarazuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radiation curable primer coating compositions
- Patent number 5,279,864
- Issue date Jan 18, 1994
- Sumitomo Metal Industries, Ltd.
- Masakazu Ohkita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Actinic radiation-curable rust-preventive coating compositions for...
- Patent number 5,069,929
- Issue date Dec 3, 1991
- Sumitomo Metal Industries, Ltd.
- Tetsuzo Arai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
FRP pipe with threaded ends
- Patent number 4,893,658
- Issue date Jan 16, 1990
- Sumitomo Metal Industries, Ltd.
- Kunitoshi Kimura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oil well pipe joint and manufacturing method therefor
- Patent number 4,871,194
- Issue date Oct 3, 1989
- Sumitomo Metal Industries, Ltd.
- Hisakazu Kawashima
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for adhering polyethylene to steel substrates
- Patent number 4,172,912
- Issue date Oct 30, 1979
- Sumitomo Metal Industries Limited
- Kohji Noji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...