Inventor
MATSUI RYOHEI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MATSUI RYOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS11156650B2Oct 26, 2021
State detecting system and state detecting method
HITACHI LTD0 citations61
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
US10948904B1Mar 16, 2021
Product inspection system and production inspection method
HITACHI LTD0 citations43