Inventor

KASAHARA FUMIAKI

JP8 patents

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

JTEKT CORP

4 patents

US8039423B2Oct 18, 2011

Lubricant composition, speed reduction gear using the lubricant composition, and electric power steering apparatus using the speed reduction gear

JTEKT CORP1 citations50

US7452850B2Nov 18, 2008

Lubricant composition and speed reducer using the same, and electrically operated power steering device using the same

JTEKT CORP0 citations47

US7741256B2Jun 22, 2010

Lubricant composition, expandable shaft, and steering system using the same

JTEKT CORP1 citations46

US10377932B2Aug 13, 2019

Sealing rubber composition and seal member

JTEKT CORP0 citations39

KOYO SEIKO CO

2 patents

US6499885B2Dec 31, 2002

Seal ring, sealing apparatus and bearing apparatus

KOYO SEIKO CO20 citations90

US6520683B2Feb 18, 2003

Seal ring, sealing device and rolling bearing including the same

KOYO SEIKO CO9 citations70

KOYO SEALING TECHNO CO LTD

2 patents

US12441920B2Oct 14, 2025

Seal rubber composition and sealing member

KOYO SEALING TECHNO CO LTD0 citations51

US7215110B2May 8, 2007

Seal ring, sealing apparatus and bearing apparatus

KOYO SEALING TECHNO CO LTD0 citations48