Inventor

KUBOTA KUNICHIKA

JP5 patents

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

HITACHI METALS LTD

2 patents

US5489367AFeb 6, 1996

Target for reactive sputtering and film-forming method using the target

HITACHI METALS LTD24 citations89

US6527879B2Mar 4, 2003

Self-lubricating piston ring material for internal combustion engine and piston ring

HITACHI METALS LTD9 citations70

YOKOYAMA KENJI

1 patent

US8409712B2Apr 2, 2013

Alloy to be surface-coated and sliding members

YOKOYAMA KENJI2 citations59

OHISHI KATSUHIKO

1 patent

US8480821B2Jul 9, 2013

Piston ring material for internal combustion engine

OHISHI KATSUHIKO0 citations47

KUBOTA KUNICHIKA

1 patent

US8815147B2Aug 26, 2014

Cold die steel excellent in characteristic of suppressing dimensional change

KUBOTA KUNICHIKA0 citations35