7 Utility Patents
#22,263 in Tokyo
#121,668 in Japan
#597,499 in the World
Forward Citations = 24
Company Filing History:

Ntt Facilities, Inc.

4. 1 out of 1,640
Hitachi Chemical Company, Ltd.
5. 1 out of 82
Origin Electric Company, Limited
where one patent can have more than one assignee
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