Link Laboratory Inc.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for collecting information about physical constitution of la...
- Patent number 6,122,257
- Issue date Sep 19, 2000
- Hitachi Electronics Services Co, Ltd
- Naoyoshi Machida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switching system
- Patent number 5,184,346
- Issue date Feb 2, 1993
- Hitachi, Ltd.
- Takahiko Kozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cell switching system of asynchronous transfer mode
- Patent number 4,947,388
- Issue date Aug 7, 1990
- Hitachi, Ltd.
- Hiroshi Kuwahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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