Inventor

YAMASHITA TOMOFUMI

JP14 patents

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

NSK LTD

6 patents

US7347115B2Mar 25, 2008

Linear actuator

NSK LTD29 citations91

US9737926B2Aug 22, 2017

Ball screw and manufacturing method of nut for ball screw

NSK LTD3 citations72

US7004883B2Feb 28, 2006

Toroidal-type continuously variable transmission

NSK LTD2 citations63

US6592491B1Jul 15, 2003

Toroidal type continuously variable transmission

NSK LTD5 citations63

US6902509B2Jun 7, 2005

Toroidal type continuously variable transmission

NSK LTD1 citations52

US7004882B2Feb 28, 2006

Toroidal-type continuously variable transmission

NSK LTD0 citations42

YAMASHITA TOMOFUMI

2 patents

US8809752B2Aug 19, 2014

Booster circuit for enhanced induction heating unit, power-supply unit, and image forming apparatus using the same

YAMASHITA TOMOFUMI1 citations46

US9685873B2Jun 20, 2017

Power supply device, image forming device, and electronic appliance

YAMASHITA TOMOFUMI0 citations35

KAWAHARA HIROSHI

1 patent

US8656798B2Feb 25, 2014

Linear actuator

KAWAHARA HIROSHI22 citations91

KAWADA DAISAKU

1 patent

US8297142B2Oct 30, 2012

Actuator

KAWADA DAISAKU10 citations76

WATANABE ATSUSHI

1 patent

US8950283B2Feb 10, 2015

Method for manufacturing nut for ball screw and ball screw

WATANABE ATSUSHI6 citations71

HARADA TORU

1 patent

US8196486B2Jun 12, 2012

Ball screw mechanism and assembling method of the same

HARADA TORU5 citations56

RICOH KK

1 patent

US7638925B2Dec 29, 2009

Power supply device

RICOH KK1 citations51

RICOH CO LTD

1 patent

US7986894B2Jul 26, 2011

Power supply device, fixing device and image forming apparatus

RICOH CO LTD0 citations42