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JP3 patents

Top patents by PatentIndex Score

US9299382B2Mar 29, 2016

Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk

SAKAI HIDEO4 citations70
US9186771B2Nov 17, 2015

Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk

SAKAI HIDEO3 citations60
US4237178ADec 2, 1980

Sound proof materials for buildings

SAKAI HIDEO15 citations58