Hiroshi NAGAI

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Kizugawa-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
CALIBRATION LIQUID FOR WATER QUALITY MEASUREMENT DEVICE, CALIBRATIO...
- Publication number 20230152272
- Publication date May 18, 2023
- NGK Spark Plug Co., Ltd.
- Shunsuke KAMEI
- G01 - MEASURING TESTING
Information Patent Application
WATER QUALITY MEASURING SYSTEM
- Publication number 20220268726
- Publication date Aug 25, 2022
- NGK SPARK PLUG CO., LTD.
- Yoji TAKEHIRO
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING