RM

Ryohei Matsui

HI Hitachi: 1 patents #67 of 446Top 20%
Overall (2025): #232,280 of 469,880Top 50%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12411547 Pressure sensor device, method for manufacturing the same, and work management system using the same Ryotaro KAWAHARA, Tetsufumi Kawamura, Nobuyuki Sugii, Naoko Ushio, Hiroyuki Yoshimoto 2025-09-09