Inventor

OKAYAMA KATSUYA

JP4 patents

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

ADVICS CO LTD

2 patents

US7357228B2Apr 15, 2008

Disk brakes with noise suppression feature

ADVICS CO LTD3 citations60

US7264094B2Sep 4, 2007

Friction pair

ADVICS CO LTD3 citations56

SUMITOMO ELECTRIC INDUSTRIES

1 patent

US6620860B2Sep 16, 2003

Friction material

SUMITOMO ELECTRIC INDUSTRIES7 citations71

ADVICS NORTH AMERICA INC

1 patent

US11073187B2Jul 27, 2021

Brake pad and under-layer material composition

ADVICS NORTH AMERICA INC0 citations56