Inventor

TOKIOKA RYOUICHI

JP4 patents

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

KOYO SEIKO CO

2 patents

US7172361B2Feb 6, 2007

Extendable shaft

KOYO SEIKO CO13 citations81

US7174825B2Feb 13, 2007

Hydraulic power steering apparatus

KOYO SEIKO CO1 citations45

JTEKT CORP

2 patents

US7753800B2Jul 13, 2010

Expandable shaft

JTEKT CORP12 citations80

US7695372B2Apr 13, 2010

Yoke for universal joint and universal joint

JTEKT CORP4 citations57