Inventor
ABE YUHEI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “ABE YUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS5945652AAug 31, 1999
Electronic wallet and method for operating the same
HITACHI LTD137 citations98
US6016954AJan 25, 2000
Card holder-type balance reader
HITACHI LTD199 citations97
US5895903AApr 20, 1999
Terminal for portable IC card
HITACHI LTD84 citations96
US5949047ASep 7, 1999
Dust-proof portable IC card reader
HITACHI LTD45 citations95
US6189786B1Feb 20, 2001
Portable terminal device with stackable IC card slot opening
HITACHI LTD72 citations93
US6010066AJan 4, 2000
Portable terminal device with stackable IC cards slot opening
HITACHI LTD53 citations93
US6454164B1Sep 24, 2002
Pocket-size information transfer apparatus having dual IC card insertion slots and IC card using the same
HITACHI LTD51 citations92
US5929427AJul 27, 1999
Portable card reader/writer
HITACHI LTD50 citations92
US5686714ANov 11, 1997
Dust-proof portable IC card reader
HITACHI LTD33 citations92
USD423471SApr 25, 2000
IC card reader and writer
HITACHI LTD10 citations74
USD393277SApr 7, 1998
Electronic value processing device
HITACHI LTD6 citations73
US6019623AFeb 1, 2000
Terminal device for an IC card
HITACHI LTD7 citations69
USD409229SMay 4, 1999
Electronic wallet
HITACHI LTD2 citations63
USD408438SApr 20, 1999
Electronic wallet
HITACHI LTD5 citations63