Inventor
KAWAGUCHI TAKAMASA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAWAGUCHI TAKAMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWAGUCHI TAKAMASA
3 patentsUS8773309B2Jul 8, 2014
Positional information transmitter, positional information receiver, and position measuring system
KAWAGUCHI TAKAMASA6 citations68
US8299965B2Oct 30, 2012
Positioning system, position information transmitter, communication terminal, and control method of the positioning system
KAWAGUCHI TAKAMASA0 citations44
US9310489B2Apr 12, 2016
Positional information transmitter, communication terminal, and positioning system using position data
KAWAGUCHI TAKAMASA0 citations37
HITACHI LTD
2 patentsUS7664066B2Feb 16, 2010
Wireless device, method for wireless communication system, and wireless communication system
HITACHI LTD7 citations59
US7994970B2Aug 9, 2011
Positioning system, position information transmitter, communication terminal, and control method of the positioning system
HITACHI LTD2 citations57