Inventor
KAWASHIMA MASAHISA
US8 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA MASAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
5 patentsUS7558827B2Jul 7, 2009
Mail distribution system, mail distribution method, and mail distribution program
NIPPON TELEGRAPH & TELEPHONE76 citations97
US7580980B2Aug 25, 2009
Email system restoring recipient identifier based on identifier-for-disclosure for establishing communication between sender and recipient
NIPPON TELEGRAPH & TELEPHONE18 citations82
US7386574B2Jun 10, 2008
File transfer system, apparatus, method and computer readable medium storing file transfer program
NIPPON TELEGRAPH & TELEPHONE11 citations82
US12238171B2Feb 25, 2025
Information communication apparatus, information communication method and program
NIPPON TELEGRAPH & TELEPHONE0 citations60
US12355848B2Jul 8, 2025
Data processing system, data providing system, event information generating apparatus, data processing apparatus, data processing method and program
NIPPON TELEGRAPH & TELEPHONE0 citations50