Natsuki Hashiba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of spot welding parts of an electromagnetic bell unit
- Patent number 4,968,971
- Issue date Nov 6, 1990
- Seikosha Co., Ltd.
- Junichi Aizawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electromagnetic bell unit, its fitting structure and a method of we...
- Patent number 4,912,453
- Issue date Mar 27, 1990
- Seikosha Co., Ltd.
- Junichi Aizawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR