Inventor
KAWASAKI RYOJI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
3 patentsUS4679244AJul 7, 1987
Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same
NIPPON TELEGRAPH & TELEPHONE153 citations97
US4736461AApr 5, 1988
Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same
NIPPON TELEGRAPH & TELEPHONE60 citations95
US4991198AFeb 5, 1991
Interconnection control method in cordless telephone system
NIPPON TELEGRAPH & TELEPHONE12 citations71