SF

Shigeyoshi Fujihara

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #1,913,043 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10712147 Measurement system and method of manufacturing shaft with hole Masahiro Watanabe, Koji Utsumi, Yusuke Omuro, Shinji Kayama 2020-07-14
9459614 Machining condition estimating apparatus and machining condition estimating method Koji Utsumi, Tadashi Kitamura, Kenichi Inoue, Shinji Kayama 2016-10-04