SANWA ELECTRIC INSTRUMENT CO., LTD.

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CHIYODA-KU, TOKYO, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage source approach detection voltage detector
- Patent number 12,332,280
- Issue date Jun 17, 2025
- Kandenko Co., Ltd.
- Yoji Oura
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
VOLTAGE SOURCE APPROACH DETECTION VOLTAGE DETECTOR
- Publication number 20240329088
- Publication date Oct 3, 2024
- Kandenko Co., Ltd.
- Yoji Oura
- G08 - SIGNALLING

Trademarklast 30 trademarks

Information Trademark
72337694 - SANWA
- Serial number 72337694
- Registration number 901192
- Filing date Sep 11, 1969
- SANWA ELECTRIC INSTRUMENT CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments