Hitoshi Sakurai

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING DEVICE, AND ROA...
- Publication number 20240393163
- Publication date Nov 28, 2024
- NEC Corporation
- Masatake TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING DEVICE, AND ROA...
- Publication number 20240385032
- Publication date Nov 21, 2024
- NEC Corporation
- Masatake TAKAHASHI
- G08 - SIGNALLING
Information Patent Application
TRAFFIC MONITORING APPARATUS, TRAFFIC MONITORING SYSTEM, TRAFFIC MO...
- Publication number 20240169827
- Publication date May 23, 2024
- NEC Corporation
- Masatake Takahashi
- G08 - SIGNALLING
Information Patent Application
TRAFFIC MONITORING APPARATUS, TRAFFIC MONITORING SYSTEM, TRAFFIC MO...
- Publication number 20230274634
- Publication date Aug 31, 2023
- NEC Corporation
- Masatake Takahashi
- G06 - COMPUTING CALCULATING COUNTING