14 Utility Patents
#295 in Tsukuba
#58,129 in Japan
#270,606 in the World
Forward Citations = 455
Company Filing History:

Ministry of International Trade & Industry
Director General Agency of Industrial Science and Technology
4. 2 out of 10
Kashima-kita, Electric Power Corporation
5. 1 out of 3,310

where one patent can have more than one assignee
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