IS

Itto SUGIMOTO

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #1,184,889 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9962787 Friction stir welding method, friction stir welding device and friction stir welded material Satoshi Hirano 2018-05-08
9222166 Slide parts and equipment including same 2015-12-29
9090965 Slide part Kazutaka Okamoto, Fumiaki Honda, Kenichi Inoue 2015-07-28
9034461 Hard film sliding part and method of manufacturing the sliding part 2015-05-19