Inventor

YOSHIHARA TOHRU

JP4 patents

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

PIONEER ELECTRONIC CORP

2 patents

US5752219AMay 12, 1998

Navigation apparatus for vehicles

PIONEER ELECTRONIC CORP13 citations72

US5598339AJan 28, 1997

Navigation apparatus for vehicles

PIONEER ELECTRONIC CORP6 citations72

HITACHI LTD

2 patents

US10243365B2Mar 26, 2019

Power system equipment introduction assistance device and method

HITACHI LTD0 citations47

US12334736B2Jun 17, 2025

Power grid monitoring system and power grid monitoring method

HITACHI LTD0 citations44