Patents/Inventors

Fumikazu Yamamoto

FukuokaJP5 patents

5 Patents

US122175892025
Watching Support System, Watching Support Device, and Watching Support Program
OTTA Inc.
0 cites
US117983882023
Location Positioning System
OTTA Inc.
0 cites
US117350292023
Emergency Communication System
OTTA Inc.
0 cites
US116208962023
Location Information Sharing Control System and Location Information Sharing Control Device
OTTA Inc.
0 cites
US116052802023
Location Identification System and Location Identification Method
OTTA Inc.
0 cites