Yasushi Hasegawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scheme for accessing data management directory
- Patent number 6,513,038
- Issue date Jan 28, 2003
- Nippon Telegraph and Telephone Corporation
- Yasushi Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Classification tree based information retrieval scheme
- Patent number 6,363,375
- Issue date Mar 26, 2002
- Nippon Telegraph and Telephone Company
- Takashi Hoshino
- G06 - COMPUTING CALCULATING COUNTING