19 Utility Patents
#2,595 in Yokohama
#39,220 in Japan
#181,319 in the World
Forward Citations = 169
Company Filing History:


Hoden Seimitsu Kako Kenkyusho Co., Ltd.
4. 1 out of 832,540 patents
Other
5. 1 out of 39
Institute of Technology Precision Electrical Discharge Work's
where one patent can have more than one assignee
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