Youko Tanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Virtual shop computer network system which displays member shops an...
- Patent number 6,028,940
- Issue date Feb 22, 2000
- Kabushiki Kaisha Toshiba
- Youko Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Card system for collectively loading right of use in predetermined...
- Patent number 6,012,637
- Issue date Jan 11, 2000
- Kabushiki Kaisha Toshiba
- Katsuhisa Hirokawa
- G06 - COMPUTING CALCULATING COUNTING