P

Inventor

OHNUKI WATARU

JP6 patents
⚠️ This page may combine multiple inventors who share the name “OHNUKI WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI CABLE

3 patents
US5471301ANov 28, 1995

Optical fiber gyro

HITACHI CABLE25 citations89
US7992440B2Aug 9, 2011

Optical fiber vibration sensor

HITACHI CABLE15 citations82
US6201923B1Mar 13, 2001

Optical fiber gyroscope

HITACHI CABLE17 citations79

HITACHI METALS LTD

3 patents
US10724921B2Jul 28, 2020

Optical cable monitoring system

HITACHI METALS LTD0 citations40
US10254197B2Apr 9, 2019

Optical fiber monitoring system

HITACHI METALS LTD0 citations40
US10459176B2Oct 29, 2019

Communication light detection device

HITACHI METALS LTD0 citations39