Inventor
TSUJIGAWA TAKUJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “TSUJIGAWA TAKUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS7054303B2May 30, 2006
Information terminal and information terminal system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD77 citations96
US6769020B2Jul 27, 2004
Data terminal, data distribution system, and internet telephone system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD107 citations96
US6377569B1Apr 23, 2002
Talking system using internet phone server devices and data communication line
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations70
US7444391B2Oct 28, 2008
Data terminal, data distribution system, and internet telephone system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51