Kouhei Tatumi

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transfer of flux onto electrodes and production of bumps on electrodes
- Patent number 5,899,376
- Issue date May 4, 1999
- Nippon Steel Corporation
- Kouhei Tatumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Production of small metal bumps
- Patent number 5,765,744
- Issue date Jun 16, 1998
- Nippon Steel Corporation
- Kouhei Tatumi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR