Cheng; Jack Chun Yiu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Jack Chun Yiu.The latest application filed is for "method for screening vitamin d insufficiency using skin colourimetry".
- Cheng; Jack Chun Yiu - Hong Kong CN
| Patent | Date |
|---|---|
| Method For Screening Vitamin D Insufficiency Using Skin Colourimetry App 20160131574 - Lam; Tsz Ping ; et al. | 2016-05-12 |
| Compositions comprising organic extracts of Geum japonicum thunb var. and the use thereof Grant 7,572,467 - Li , et al. August 11, 2 | 2009-08-11 |
| Compositions comprising organic extracts of geum japonicum thunb var. and the use thereof App 20050064048 - Li, Ming ; et al. | 2005-03-24 |
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