6 Utility Patents
#2,498 in Saitama 343-0827
#139,692 in Japan
#697,517 in the World
Forward Citations = 6
Company Filing History:

Nihon Dempa Kogyo Co., Ltd.
Geotechnologies, Inc.
4. 1 out of 38
Increment P Corporation
where one patent can have more than one assignee
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