HN

Hidetoshi Nagasawa

SC Shigematsu Works Co.: 1 patents #11 of 16Top 70%
Overall (All Time): #3,372,618 of 4,157,543Top 85%
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Patent #TitleCo-InventorsDate
7464705 Powered respirator Naoto Tanizawa, Hiroyuki Ide 2008-12-16