P

Inventor

CHIKAHATA KATSUNAO

JP4 patents
⚠️ This page may combine multiple inventors who share the name “CHIKAHATA KATSUNAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI POWDERED METALS

3 patents
US5259860ANov 9, 1993

Sintered metal parts and their production method

HITACHI POWDERED METALS31 citations89
US6616726B2Sep 9, 2003

Material for valve guides

HITACHI POWDERED METALS12 citations71
US6012703AJan 11, 2000

Valve guide and process for manufacturing thereof

HITACHI POWDERED METALS14 citations71

HONDA MOTOR CO LTD

1 patent
US7040601B2May 9, 2006

Valve guide for internal combustion engine made from iron base sintered alloy

HONDA MOTOR CO LTD5 citations61