P

Inventor

HIBI TSUTOMU

JP8 patents
⚠️ This page may combine multiple inventors who share the name “HIBI TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNISIA JECS CORP

3 patents
US5988125ANov 23, 1999

Variable valve actuation apparatus for engine

UNISIA JECS CORP58 citations95
US6260523B1Jul 17, 2001

Variable-valve-actuation apparatus for internal combustion engine

UNISIA JECS CORP33 citations92
US6305336B1Oct 23, 2001

Electromagnetic driving device of engine valve for internal combustion engine

UNISIA JECS CORP29 citations90

UNISIA CORP

1 patent
US6257182B1Jul 10, 2001

Electromagnetic drive system for engine valve

UNISIA CORP23 citations87

HITACHI LTD

1 patent
US7552978B2Jun 30, 2009

Brake device and controller for the same

HITACHI LTD13 citations82

TANAKA KAZUTAKA

1 patent
US9482323B2Nov 1, 2016

Friction roller reducer and drive unit for electric automobile

TANAKA KAZUTAKA3 citations66

HITACHI UNISIA AUTOMOTOVE LTD

1 patent
US6679209B2Jan 20, 2004

Valve timing control apparatus for internal combustion engine

HITACHI UNISIA AUTOMOTOVE LTD3 citations54

JTEKT CORP

1 patent
US10491084B2Nov 26, 2019

Motor device

JTEKT CORP0 citations41