Chang; Yi-Hsuan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Yi-Hsuan.The latest application filed is for "phosphorus flame retardant and method of producing phosphinyl carboxylic acid ester mixtures".
- Chang; Yi-Hsuan - New Taipei TW
- Chang; Yi-Hsuan - TAIPEI TW
- CHANG; Yi-Hsuan - Taoyuan City TW
- Chang; Yi-Hsuan - Taipei City TW
| Patent | Date |
|---|---|
| Hip thrust barbell pad Grant D956,152 - Chang June 28, 2 | 2022-06-28 |
| Hip/leg training strap Grant D955,515 - Chang June 21, 2 | 2022-06-21 |
| Phosphorus Flame Retardant And Method Of Producing Phosphinyl Carboxylic Acid Ester Mixtures App 20200308490 - Chang; Yi-Hsuan ; et al. | 2020-10-01 |
| Method For Manufacturing Non-fluorine Water Repellent And Fabric App 20200216585 - TSAI; Hsiang-Chin ; et al. | 2020-07-09 |
| Method for enhancing water content of silicone hydrogel contact lens Grant 8,492,513 - Lee , et al. July 23, 2 | 2013-07-23 |
| Silicone Hydrogel With High Water Content App 20120214898 - LEE; CHIH-TA ; et al. | 2012-08-23 |
| Method For Enhancing Water Content Of Silicone Hydrogel Contact Lens App 20120214899 - LEE; Chih-Ta ; et al. | 2012-08-23 |
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