Toshio Abe

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for fabricating a matrix switchboard and connection pin
- Patent number 6,216,342
- Issue date Apr 17, 2001
- Fujitsu Limited
- Masao Hosogai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Matrix switch board used to connect/disconnect switching system-and...
- Patent number 6,116,912
- Issue date Sep 12, 2000
- Fujitsu Limited
- Masao Hosogai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Matrix switch board, connection pin, and method of fabricating them
- Patent number 5,886,309
- Issue date Mar 23, 1999
- Fujitsu Limited
- Masao Hosogai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE