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Patent applications and USPTO patent grants for Hisai, Kumiko.The latest application filed is for "telephone call fee payment certificate number sales system and device".
Patent | Date |
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Telephone call fee payment certificate number sales system and device App 20050228758 - Ota, Michihiro ;   et al. | 2005-10-13 |
Mobile telephone fare forehead payment registration system and device App 20050164674 - Ota, Michihiro ;   et al. | 2005-07-28 |
Cashless vending system, method, vending machine, and center apparatus App 20050131577 - Ota, Michihiro ;   et al. | 2005-06-16 |
Cashless automatic vendor system and method, and automatic vendor App 20040129778 - Ota, Michihiro ;   et al. | 2004-07-08 |
Information transmission method and system App 20040002365 - Ota, Michihiro ;   et al. | 2004-01-01 |
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