Inventor
ISHIGURO GINYA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGURO GINYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
7 patentsUS5502765AMar 26, 1996
Method and apparatus for settlement of accounts by IC cards
NIPPON TELEGRAPH & TELEPHONE129 citations97
US5396558AMar 7, 1995
Method and apparatus for settlement of accounts by IC cards
NIPPON TELEGRAPH & TELEPHONE235 citations97
US5446796AAug 29, 1995
Method and apparatus for settlement of accounts by IC cards
NIPPON TELEGRAPH & TELEPHONE62 citations94
US4977040ADec 11, 1990
Magnetic card
NIPPON TELEGRAPH & TELEPHONE26 citations90
US5003409AMar 26, 1991
Dual layered magnetic data card with reading and recording apparatus
NIPPON TELEGRAPH & TELEPHONE9 citations67
US3942142AMar 2, 1976
Electromagnetic coordinate selection device
NIPPON TELEGRAPH & TELEPHONE3 citations58
US4075587AFeb 21, 1978
Multicontact sealed electromagnetic coordinate selection device
NIPPON TELEGRAPH & TELEPHONE0 citations40