Inventor

KAWAHARA RYOTARO

JP2 patents

Patents

2 patents

US12411547B2Sep 9, 2025

Pressure sensor device, method for manufacturing the same, and work management system using the same

HITACHI LTD0 citations47

US11835412B2Dec 5, 2023

Delicate work tool digitalization system

HITACHI LTD0 citations44