Inventor
NAKAGAWA YOSHIKATSU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA YOSHIKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS5745483AApr 28, 1998
Wireless computer network communication system and method having at least two groups of wireless terminals
RICOH KK215 citations97
US5216429AJun 1, 1993
Position measuring system using pseudo-noise signal transmission and reception
RICOH KK165 citations97
US6400752B1Jun 4, 2002
Wireless computer network communication system and method which determines an available spreading code
RICOH KK54 citations95
US6392167B1May 21, 2002
Acoustic touch position sensing system with large touch sensing surface
RICOH KK50 citations92
US5621414AApr 15, 1997
Location confirming system
RICOH KK38 citations92
US5128957AJul 7, 1992
Initial acquisition method in spread spectrum system and such system
RICOH KK35 citations92
US6643319B1Nov 4, 2003
Wireless computer network communication system and method which determines an available spreading code
RICOH KK18 citations83
US5210772AMay 11, 1993
Approximate figures measuring system
RICOH KK15 citations73