Masayuki AKATSU

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Chiyoda-ku, Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
INFORMATION OUTPUT DEVICE
- Publication number 20240026671
- Publication date Jan 25, 2024
- Hitachi, Ltd
- Masayuki OKAMOTO
- G08 - SIGNALLING
Information Patent Application
Entry/Exit Management System and Entry/Exit Management Method
- Publication number 20230377397
- Publication date Nov 23, 2023
- Hitachi, Ltd
- Koki OGAWA
- G07 - CHECKING-DEVICES
Information Patent Application
Air-Conditioning System
- Publication number 20230341143
- Publication date Oct 26, 2023
- Hitachi, Ltd
- Masayuki OKAMOTO
- F24 - HEATING RANGES VENTILATING