Ryuuji Yoshihara

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Higashiosaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Credit card information management system
- Patent number 6,260,026
- Issue date Jul 10, 2001
- Kabushiki Kaisha Media Marketing Network
- Yoshikazu Tomida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for managing sales of goods for vending machines
- Patent number 5,963,452
- Issue date Oct 5, 1999
- Kabushiki Kaisha Media Marketing Network
- Tadashi Etoh
- G07 - CHECKING-DEVICES