Inventor
TOKUHASHI KAZUMASA
JP6 patents
⚠️ This page may combine multiple inventors who share the name “TOKUHASHI KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS11188945B2Nov 30, 2021
Information processing apparatus and information processing method
HITACHI LTD2 citations71
US11189270B2Nov 30, 2021
Method of controlling dialogue system, dialogue system, and data storage medium
HITACHI LTD2 citations67
US12509132B2Dec 30, 2025
Operation plan change assistance device, operation plan change assistance method, and rail traffic management system
HITACHI LTD0 citations47
US11068288B2Jul 20, 2021
Method of controlling communication system including mode switching between modes for receiving a touch input or an audio input, communication system, and storage medium
HITACHI LTD0 citations46
US10821609B2Nov 3, 2020
Robot control apparatus, system and method
HITACHI LTD0 citations39