SHIH-HSIUNG CHO

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Rotatably adjustable face mask valve
- Patent number 12,186,597
- Issue date Jan 7, 2025
- Makrite Industries Inc.
- Shih-shiung Cho
- A41 - WEARING APPAREL
Information Patent Grant
Retractable respiratory mask
- Patent number 11,058,840
- Issue date Jul 13, 2021
- Makrite Industries Inc.
- Shih-shiung Cho
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Valve structure for respirator
- Patent number 10,967,206
- Issue date Apr 6, 2021
- Makrite Industries Inc.
- Shih-Hsiung Cho
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ROTATABLY ADJUSTABLE FACE MASK VALVE
- Publication number 20230226384
- Publication date Jul 20, 2023
- MAKRITE INDUSTRIES INC.
- Shih-shiung Cho
- A41 - WEARING APPAREL
Information Patent Application
MASK
- Publication number 20220167692
- Publication date Jun 2, 2022
- MAKRITE INDUSTRIES INC.
- Shih-shiung Cho
- A41 - WEARING APPAREL
Information Patent Application
RETRACTABLE RESPIRATORY MASK
- Publication number 20200230342
- Publication date Jul 23, 2020
- MAKRITE INDUSTRIES INC.
- Shih-shiung Cho
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
VALVE STRUCTURE FOR RESPIRATOR
- Publication number 20190217133
- Publication date Jul 18, 2019
- SHIH-HSIUNG CHO
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE