Seiji Hashimoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for manufacturing tubes filled with powdery and granular su...
- Patent number 5,474,736
- Issue date Dec 12, 1995
- Nippon Steel Welding Products & Engineering Co., Ltd.
- Nobuo Araki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods for manufacturing tubes filled with powdery and granular su...
- Patent number 5,192,016
- Issue date Mar 9, 1993
- Nippon Steel Corporation
- Nobuo Araki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR