Inventor
ICHIKAWA YOSHIO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
12 patentsUS5111197AMay 5, 1992
Apparatus for allocating subscriber identification numbers to plural service zones in a paging system
NEC CORP85 citations96
US5042083AAug 20, 1991
Radio communication system having means for avoiding signal collision
NEC CORP63 citations96
US4506386AMar 19, 1985
Battery saver for a paging receiver or the like _
NEC CORP131 citations96
US4639726AJan 27, 1987
Radio communication apparatus disabled on reception of a predetermined signal
NEC CORP64 citations94
US5561701AOct 1, 1996
Radio paging system having a plurality of transmitter stations
NEC CORP57 citations92
US4783654ANov 8, 1988
Radio paging system capable of transmitting common information and receiver therefor
NEC CORP48 citations92
US4682148AJul 21, 1987
Display pager having memory overflow indication and concurrent message display functions
NEC CORP40 citations92
US4642632AFeb 10, 1987
Digital paging system having bit rate switching means and digital paging receiver therefor
NEC CORP46 citations92
US5430437AJul 4, 1995
Transmission and reception of pager signals without useless sampling operation
NEC CORP10 citations73
US4626842ADec 2, 1986
Display radio paging receiver for variable length messages
NEC CORP13 citations73
US4720710AJan 19, 1988
Paging receiver having a plurality of test modes
NEC CORP13 citations72
US5291192AMar 1, 1994
Paging system and its operating method with repeated transmission
NEC CORP5 citations54
NIPPON ELECTRIC CO
5 patentsUS4704608ANov 3, 1987
Pager receiver for giving at least one of extraordinary tones and extraordinary displays
NIPPON ELECTRIC CO41 citations96
US4536761AAug 20, 1985
Radio paging receiver having display control means
NIPPON ELECTRIC CO25 citations82
US4481675ANov 6, 1984
Pulse detecting circuit of receiver for use in digital radio communication system
NIPPON ELECTRIC CO24 citations82
US4477808AOct 16, 1984
Radio paging receiver having stored message protection means
NIPPON ELECTRIC CO23 citations82
US4758834AJul 19, 1988
Pager receiver for giving at least one of extraordinary tones and extraordinary displays
NIPPON ELECTRIC CO12 citations74
NIPPANKENKYUSHO KK
4 patentsUS5688561ANov 18, 1997
Coating method
NIPPANKENKYUSHO KK38 citations87
US6203930B1Mar 20, 2001
Rust preventive coating and method for forming the same
NIPPANKENKYUSHO KK10 citations73
US5433841AJul 18, 1995
Method for reforming hydrocarbons
NIPPANKENKYUSHO KK8 citations73
US6926964B2Aug 9, 2005
Fuel tank for motor vehicle and method for producing the same
NIPPANKENKYUSHO KK1 citations51