30 Utility Patents
#17 in Sakura
#19,030 in Japan
#87,059 in the World
Forward Citations = 583
Company Filing History:
Hitachi, Ltd.
4. 2 out of 830,757 patents
Other
5. 1 out of 1
Fujikura Ltd. and Nippon Telegraph and Telephone Corporation
where one patent can have more than one assignee
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