Ryuji OSAWA

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Matsudo-shi, Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light sensor probe
- Patent number 12,306,233
- Issue date May 20, 2025
- Seikoh Giken Co., Ltd.
- Ryuji Osawa
- G01 - MEASURING TESTING
Information Patent Grant
Optical voltage probe
- Patent number 11,994,539
- Issue date May 28, 2024
- SEIKOH GIKEN Co., Ltd.
- Ryuji Osawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL VOLTAGE PROBE
- Publication number 20240377663
- Publication date Nov 14, 2024
- Seikoh Giken Co., Ltd.
- Ryuji OSAWA
- G02 - OPTICS
Information Patent Application
LIGHT SENSOR PROBE
- Publication number 20240019473
- Publication date Jan 18, 2024
- Seikoh Giken Co., Ltd.
- Ryuji OSAWA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL VOLTAGE PROVE
- Publication number 20220291260
- Publication date Sep 15, 2022
- SEIKOH GIKEN CO., LTD.
- Ryuji OSAWA
- G01 - MEASURING TESTING