Inventor
YOSHINO RYOZO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “YOSHINO RYOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS6176433B1Jan 23, 2001
Reader/writer having coil arrangements to restrain electromagnetic field intensity at a distance
HITACHI LTD262 citations98
US5514983AMay 7, 1996
CMOS full duplex transmission-reception circuit
HITACHI LTD28 citations91
US5499269AMar 12, 1996
Transmission-reception circuit
HITACHI LTD27 citations91
US6164532ADec 26, 2000
Power transmission system, power transmission/communication system and reader and/or writer
HITACHI LTD17 citations84
US5052022ASep 24, 1991
Repeater and PLL circuit
HITACHI LTD20 citations81
US4783791ANov 8, 1988
Multiple reproducing repeater station system
HITACHI LTD18 citations81
US6554194B1Apr 29, 2003
IC card and its manufacturing method
HITACHI LTD9 citations74
US4675884AJun 23, 1987
Decoding circuit
HITACHI LTD16 citations73
US4697047ASep 29, 1987
Trunk coupling unit
HITACHI LTD4 citations62