RS

Ryuuichiroh Sugano

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #1,928,792 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10196719 Die steel and method for producing same Takaaki Sekiyama, Yasuhiro Hosoda, Hitoshi KATAOKA 2019-02-05
9128018 Method for evaluating corrosion-fatigue life of steel material Hidemitsu Horie, Kouta Kataoka, Yousuke NAKANO 2015-09-08