For the Inventor, By the Inventor

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Fujitsu I-Network Systems Limited

USPTO Granted Patents = 1

Forward Citations = 9

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4 inventors (with patents filed for the assignee):

Yasushi Takahashi (1 out of 73 patents)

Tsuyoshi Uehara (1 out of 5 patents)

Kazutaka Sasagawa (1 out of 1 patent)

4. Makoto Imahashi (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 6914898 - IP COMMUNICATION NETWORK SYSTEM HAVING A GATEWAY FUNCTION WITH COMMUNICATION PROTOCOL CONVERSION BETWEEN A SWITCHED CIRCUIT NETWORK AND A PACKET SWITCHED NETWORK INCLUDING DATA OVER TCP/IP AND VOICE/FAX OVER RTP (2005-07-05),

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USPTO Data Jan 1 1976 - Jan 13 2026

1 Patents

#5,736 in Tokyo

#15,554 in Japan

Fujitsu I-Network Systems Limited

Forward Citations = 9

4 inventors:

Yasushi Takahashi (1 out of 73 patents)

Tsuyoshi Uehara (1 out of 5 patents)

Kazutaka Sasagawa (1 out of 1 patent)

4. Makoto Imahashi (1 out of 1 patent)

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