13 Utility Patents
#47 in Niigata-ken
#63,510 in Japan
#297,766 in the World
Forward Citations = 246
Company Filing History:

Nippon Telegraph & Telephone Co.
where one patent can have more than one assignee
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#47 in Niigata-ken
#63,510 in Japan
#297,766 in the World
Company Filing History:

Get your Inventor Badge Today