Isamu CHIBA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sunshine recorder and sunshine measurement method
- Patent number 12,203,806
- Issue date Jan 21, 2025
- EKO Instruments Co., Ltd.
- Toshikazu Hasegawa
- G01 - MEASURING TESTING
Information Patent Grant
Thermal conductivity measuring device, thermal conductivity measuri...
- Patent number 11,193,901
- Issue date Dec 7, 2021
- EKO Instruments Co., Ltd.
- Toshikazu Hasegawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SUNSHINE RECORDER AND SUNSHINE MEASUREMENT METHOD
- Publication number 20240319005
- Publication date Sep 26, 2024
- EKO INSTRUMENTS CO., LTD.
- Toshikazu HASEGAWA
- G01 - MEASURING TESTING
Information Patent Application
THERMAL CONDUCTIVITY MEASURING DEVICE, THERMAL CONDUCTIVITY MEASURI...
- Publication number 20190360953
- Publication date Nov 28, 2019
- EKO INSTRUMENTS CO., LTD.
- Toshikazu HASEGAWA
- G01 - MEASURING TESTING