14 Utility Patents
#13 in Shimizu
#58,236 in Japan
#271,493 in the World
Forward Citations = 362
Company Filing History:

Hatachi Ltd
Shimizu Engineering Co., Ltd.
where one patent can have more than one assignee
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#13 in Shimizu
#58,236 in Japan
#271,493 in the World
Company Filing History:

Get your Inventor Badge Today