Inventor

OKAMURA HIROKI

JP8 patents

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

AISHIN KAKO KK

2 patents

US6776276B2Aug 17, 2004

Wet friction material and its manufacturing method

AISHIN KAKO KK13 citations82

US7919165B2Apr 5, 2011

Wet-type friction material and its manufacturing method

AISHIN KAKO KK4 citations61

OKAMURA HIROKI

2 patents

US8157075B2Apr 17, 2012

Wet friction material

OKAMURA HIROKI2 citations55

US9291211B2Mar 22, 2016

Wet friction material

OKAMURA HIROKI0 citations35

HATAKEYAMA YOSHIYUKI

1 patent

US8576081B2Nov 5, 2013

Physiological condition estimation device and vehicle control device

HATAKEYAMA YOSHIYUKI18 citations82

AISIN KAKO KK

1 patent

US9841065B2Dec 12, 2017

Wet friction disk

AISIN KAKO KK7 citations80

IIZUKA HISASHI

1 patent

US8647253B2Feb 11, 2014

Sleep control device and control method therefor

IIZUKA HISASHI4 citations70

SHIGETO KAZUHIDE

1 patent

US10098583B2Oct 16, 2018

Sleep quality estimation device, sleep quality estimation method and program for sleep quality estimation

SHIGETO KAZUHIDE2 citations61