Inventor
ISOMURA RYOICHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ISOMURA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
6 patentsUS11600472B2Mar 7, 2023
Vacuum processing apparatus and operating method of vacuum processing apparatus
HITACHI HIGH TECH CORP6 citations70
US11195733B2Dec 7, 2021
Operation method of vacuum processing device
HITACHI HIGH TECH CORP2 citations65
US12002692B2Jun 4, 2024
Operation method of vacuum processing device
HITACHI HIGH TECH CORP0 citations55
US12112922B2Oct 8, 2024
Plasma treatment apparatus
HITACHI HIGH TECH CORP0 citations53
US12494347B2Dec 9, 2025
Plasma processing apparatus
HITACHI HIGH TECH CORP0 citations48
US9748124B2Aug 29, 2017
Vacuum processing apparatus and operating method thereof
HITACHI HIGH TECH CORP0 citations40