4 Utility Patents
#33,899 in Tokyo
#193,296 in Japan
Forward Citations = 10
Company Filing History:
International Superconductivity Technology Center
Hokkaido Electric Power Company, Inc.

4. 2 out of 4,979
Oki Electric Industry Co., Ltd.
5. 1 out of 3,534
Nippon Steel Corporation
where one patent can have more than one assignee
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