17 Utility Patents
#33 in Iwaki
#45,370 in Japan
#210,841 in the World
Forward Citations = 328
Company Filing History:

Hitachi Service Engineering Co., Ltd.

4. 2 out of 2
Hitachi Service Engineering, Ltd.
5. 2 out of 21
Nippon Telephone and Telegraph Corporation
where one patent can have more than one assignee
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