P

Inventor

OHISHI KATSUHIKO

JP6 patents
⚠️ This page may combine multiple inventors who share the name “OHISHI KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHISHI KATSUHIKO

4 patents
US8747574B2Jun 10, 2014

Maraging steel strip

OHISHI KATSUHIKO2 citations58
US8663549B2Mar 4, 2014

Heat-resisting steel for engine valves excellent in high-temperature strength

OHISHI KATSUHIKO2 citations56
US8741215B2Jun 3, 2014

Heat-resisting steel for engine valves excellent in high temperature strength

OHISHI KATSUHIKO0 citations48
US8480821B2Jul 9, 2013

Piston ring material for internal combustion engine

OHISHI KATSUHIKO0 citations47

YOKOYAMA KENJI

1 patent
US8409712B2Apr 2, 2013

Alloy to be surface-coated and sliding members

YOKOYAMA KENJI2 citations59

HITACHI METALS LTD

1 patent
US10316377B2Jun 11, 2019

Production method for maraging steel and production method for maraging steel consumable electrode

HITACHI METALS LTD0 citations26