Takayuki Morikawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for marking a sintered product and for fabricating magnetic...
- Patent number 6,532,132
- Issue date Mar 11, 2003
- Sumitomo Special Metals Co., Ltd.
- Shinji Tsujimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods for marking a sintered product and for fabricating magnetic...
- Patent number 6,449,123
- Issue date Sep 10, 2002
- Sumitomo Special Metals Co., Ltd.
- Shinji Tsujimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Methods for marking a sintered product and for fabricating magnetic...
- Publication number 20030007286
- Publication date Jan 9, 2003
- Sumitomo Special Metals Co., Ltd.
- Shinji Tsujimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS