Ginya Ishiguro

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for settlement of accounts by IC cards
- Patent number 5,502,765
- Issue date Mar 26, 1996
- Nippon Telegraph & Telephone Corporation
- Ginya Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for settlement of accounts by IC cards
- Patent number 5,446,796
- Issue date Aug 29, 1995
- Nippon Telegraph & Telephone Corporation
- Ginya Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for settlement of accounts by IC cards
- Patent number 5,396,558
- Issue date Mar 7, 1995
- Nippon Telegraph & Telephone Corporation
- Ginya Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic recording powder having a high coercive force at room temp...
- Patent number 5,211,770
- Issue date May 18, 1993
- Mitsubishi Materials Corporation
- Ginya Ishiguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dual layered magnetic data card with reading and recording apparatus
- Patent number 5,003,409
- Issue date Mar 26, 1991
- Nippon Telegraph & Telephone Corporation
- Ginya Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic card
- Patent number 4,977,040
- Issue date Dec 11, 1990
- Nippon Telegraph & Telephone Corporation
- Norio Yano
- G06 - COMPUTING CALCULATING COUNTING