Keiko TANIGAWA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Computer system and data providing method
- Patent number 12,174,838
- Issue date Dec 24, 2024
- Hitachi, Ltd.
- Keiko Tanigawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data management system and data management method
- Patent number 11,886,459
- Issue date Jan 30, 2024
- Hitachi, Ltd.
- Keiko Tanigawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system and data access control method
- Patent number 11,681,820
- Issue date Jun 20, 2023
- Hitachi, Ltd.
- Nobukazu Kondo
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMPUTER SYSTEM AND DATA PROVIDING METHOD
- Publication number 20240289339
- Publication date Aug 29, 2024
- Hitachi, Ltd
- Keiko TANIGAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER SYSTEM AND SEARCH METHOD FOR ENVIRONMENT
- Publication number 20230418826
- Publication date Dec 28, 2023
- Hitachi, Ltd
- Keiko TANIGAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ACCESS RIGHT MANAGEMENT APPARATUS AND ACCESS RIGHT MANAGEMENT METHOD
- Publication number 20230297699
- Publication date Sep 21, 2023
- Hitachi, Ltd
- Yuya ISODA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data Management System and Data Management Method
- Publication number 20220391404
- Publication date Dec 8, 2022
- Hitachi, Ltd
- Keiko TANIGAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER SYSTEM AND DATA ACCESS CONTROL METHOD
- Publication number 20210232697
- Publication date Jul 29, 2021
- Hitachi, Ltd
- Nobukazu KONDO
- G06 - COMPUTING CALCULATING COUNTING