TO

Toshihiro Ohchi

OS Osg: 2 patents #28 of 119Top 25%
NU National University Corporation Tohoku University: 1 patents #86 of 170Top 55%
Overall (All Time): #1,972,157 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9551062 Hard film for machining tools and hard film-coated metal machining tool Masatoshi Sakurai, Mei WANG, Yuji Sutou, Junichi Koike, Shoko Komiyama 2017-01-24
9109280 Hard laminar coating Masatoshi Sakurai 2015-08-18