Ken Sakamura
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ken Sakamura.The latest application filed is for "ic card and authentication method in electronic ticket distribution system".
- Ken Sakamura - Tokyo JP
- Ken SAKAMURA - Shinagawa-ku JP
- Ken SAKAMURA - 9-2, Osaki 4-chome, Shinagawa-ku Tokyo JP
| Patent | Date |
|---|---|
| Data communication apparatus and data communication method Grant 8,122,261 - Sakamura , et al. February 21, 2 | 2012-02-21 |
| Ic Card And Authentication Method In Electronic Ticket Distribution System App 20080109371 - Sakamura; Ken ; et al. | 2008-05-08 |
| Ic chip, card and mobile terminal connected to the same App 20060163364 - Sakamura; Ken ; et al. | 2006-07-27 |
| Electronic value transfer device equipped with non-contact ic interface App 20060097037 - Sakamura; Ken ; et al. | 2006-05-11 |
| Ic card, terminal device, and data communications method App 20060049243 - Sakamura; Ken ; et al. | 2006-03-09 |
| IC card and authentication method in electronic ticket distribution system App 20040059685 - Sakamura, Ken ; et al. | 2004-03-25 |
| Digital contents issuing system and digital contents issuing method App 20040044625 - Sakamura, Ken ; et al. | 2004-03-04 |
| IC card and cryptographic communication method between IC cards App 20040030896 - Sakamura, Ken ; et al. | 2004-02-12 |
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