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Makoto Saruya
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Tokyo, JP
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last 30 patents
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Patent Grant
Electronic transaction processing system with escrow card
Patent number
6,223,169
Issue date
Apr 24, 2001
Oki Electric Industry Co., Ltd.
Toru Mori
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Electronic transaction processing system and method for operating same
Patent number
6,138,907
Issue date
Oct 31, 2000
Oki Electric Industry Co., Ltd.
Toru Mori
G06 - COMPUTING CALCULATING COUNTING