47 Utility Patents
#58 in Hitachi
#8,811 in Japan
#43,031 in the World
Forward Citations = 205
Company Filing History:

Hitachi Industrial Equipment Systems Co., Ltd.
The Tokyo Electric Power Company, Incorporated
4. 1 out of 832,492 patents
Other
5. 1 out of 18
Nok Klueber Co., Ltd.
where one patent can have more than one assignee
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