Inventor
ISHIDA TATSURO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA TATSURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
13 patentsUS12248591B2Mar 11, 2025
Control server for sharing data using distributed ledger, data sharing system with distributed ledger, and control program for sharing data with distributed ledger
NIPPON TELEGRAPH & TELEPHONE2 citations72
US12081813B2Sep 3, 2024
Video distribution method, distribution device, and inspection device
NIPPON TELEGRAPH & TELEPHONE2 citations72
US11868322B2Jan 9, 2024
Content use system
NIPPON TELEGRAPH & TELEPHONE2 citations72
US12050559B2Jul 30, 2024
Data update device, data update method, data update program, and data structure
NIPPON TELEGRAPH & TELEPHONE2 citations71
US12158863B2Dec 3, 2024
Right holder terminal, user terminal, and non-transitory computer-readable medium
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12117971B2Oct 15, 2024
Content use system
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12314349B2May 27, 2025
Content contract system, content contract method, and control terminal
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12124475B2Oct 22, 2024
Blockchain system, approval terminal, user terminal, history management method, and history management program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12081675B2Sep 3, 2024
Content use system, permission terminal, browsing terminal, distribution terminal, and content use program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11372847B2Jun 28, 2022
Block verification device, block verification method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12223072B2Feb 11, 2025
Right-holder terminal, user terminal, and content usage method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12063292B2Aug 13, 2024
Proprietor terminal, user terminal, and new proprietor terminal
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11893583B2Feb 6, 2024
Settlement system, settlement method, user device, and settlement program
NIPPON TELEGRAPH & TELEPHONE0 citations50