Inventor

TOJI AKIHIRO

JP6 patents

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

HITACHI METALS LTD

3 patents

US6852177B2Feb 8, 2005

Ni-based alloy improved in oxidation-resistance, high temperature strength and hot workability

HITACHI METALS LTD10 citations72

US6776956B2Aug 17, 2004

Steel for separators of solid-oxide type fuel cells

HITACHI METALS LTD5 citations61

US7481970B2Jan 27, 2009

Heat resistant alloy for use as material of engine valve

HITACHI METALS LTD0 citations46

PROTERIAL LTD

1 patent

US12006561B2Jun 11, 2024

Martensitic stainless steel for fuel injection member and fuel injection member using same

PROTERIAL LTD0 citations60

OHISHI KATSUHIKO

1 patent

US8663549B2Mar 4, 2014

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

OHISHI KATSUHIKO2 citations56

UEHARA TOSHIHIRO

1 patent

US8444778B2May 21, 2013

Low-thermal-expansion Ni-based super-heat-resistant alloy for boiler and having excellent high-temperature strength, and boiler component and boiler component production method using the same

UEHARA TOSHIHIRO0 citations45