Suminori Yoshikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Output buffer type asynchronous transfer mode switch
- Patent number 6,788,699
- Issue date Sep 7, 2004
- NEC Corporation
- Suminori Yoshikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Back-pressure type ATM switch
- Patent number 6,532,234
- Issue date Mar 11, 2003
- NEC Corporation
- Suminori Yoshikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN remote switching unit for accommodating analog and digital lines
- Patent number 4,922,484
- Issue date May 1, 1990
- NEC Corporation
- Yoshinori Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE