KO

Katsuhiko Ohishi

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Overall (All Time): #836,126 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10316377 Production method for maraging steel and production method for maraging steel consumable electrode Takahiko Kamimura, Yuuichi Hadano, Kenta Imazeki 2019-06-11
8747574 Maraging steel strip Toshihiro Uehara 2014-06-10
8741215 Heat-resisting steel for engine valves excellent in high temperature strength Takehiro Ohno, Toshihiro Uehara 2014-06-03
8663549 Heat-resisting steel for engine valves excellent in high-temperature strength Akihiro Toji 2014-03-04
8480821 Piston ring material for internal combustion engine Toshihiro Uehara, Kunichika Kubota 2013-07-09
8409712 Alloy to be surface-coated and sliding members Kenji Yokoyama, Kunichika Kubota, Toshihiro Uehara, Takehiro Ohno 2013-04-02