Keiichi Fujita

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical sensor and physical quantity measurement device
- Patent number 12,104,933
- Issue date Oct 1, 2024
- Nagano Keiki Co., Ltd.
- Ayumu Sakamoto
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SENSOR AND PHYSICAL QUANTITY MEASUREMENT DEVICE
- Publication number 20240035965
- Publication date Feb 1, 2024
- NAGANO KEIKI CO., LTD.
- Ayumu Sakamoto
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SENSOR AND PHYSICAL QUANTITY MEASUREMENT DEVICE
- Publication number 20220357185
- Publication date Nov 10, 2022
- NAGANO KEIKI CO., LTD.
- Ayumu Sakamoto
- G01 - MEASURING TESTING