Inventor

KAWAMURA OSAMU

JP20 patents

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

KAWAMURA OSAMU

NIPPON PISTON RING CO LTD

Sintered Fe alloy for valve seat

Synchronizer ring

Synchronizer ring

Rocker arm having wear resistant scuffing resistant portion

Joined type valve seat

Synchronizer ring

High strength high chromium cast iron and valve rocker arm made thereof

Camshaft

Sliding member for use in an internal combustion engine

HONDA MOTOR CO LTD

Secondary hardening type high temperature wear-resistant sintered alloy

Valve seat made of secondary hardening-type high temperature wear-resistant sintered alloy

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Stream demultiplexing device

Bus system and a master device that stabilizes bus electric potential during non-access periods

KAWAMURA OSAMU

Limited slip differential

Method of forming a shaped fluorescent light bulb envelope

SHINWA SANGYO KK

Device for driving four wheels of car at all times

NISSAN MOTOR

Rocker arm and method of casting

ANECOM JAPAN CO LTD

Handrail

NIPPON PISTON RING COMPANY LTD

Method of manufacturing a camshaft

SONY CHEMICALS CORP

Information recording sheet and method of manufacturing information recording sheet