Cheng; Ya-Shan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Ya-Shan.The latest application filed is for "hose connecting device".
- Cheng; Ya-Shan - Lukang Township TW
- Cheng; Ya-Shan - New Taipei TW
- Cheng; Ya-Shan - New Taipei City TW
- Cheng; Ya-Shan - Taipei TW
| Patent | Date |
|---|---|
| Hose Connecting Device App 20220107041 - Cheng; Ya-Shan | 2022-04-07 |
| Beta-glucosidase having improved enzymatic activity Grant 10,563,185 - Lai , et al. Feb | 2020-02-18 |
| Xylosidase having improved enzymatic activity Grant 10,385,346 - Cheng , et al. A | 2019-08-20 |
| Xylosidase Having Improved Enzymatic Activity App 20190119687 - Cheng; Ya-Shan ; et al. | 2019-04-25 |
| Glucose oxidase having improved thermostability Grant 10,233,430 - Cheng , et al. | 2019-03-19 |
| Phytase having improved thermostability Grant 10,011,822 - Wu , et al. July 3, 2 | 2018-07-03 |
| Cellulase having improved thermostability Grant 9,944,915 - Guo , et al. April 17, 2 | 2018-04-17 |
| Cellulase having improved enzymatic activity Grant 9,809,807 - Guo , et al. November 7, 2 | 2017-11-07 |
| Phytase Having Improved Thermostability App 20170240872 - Guo; Rey-Ting ; et al. | 2017-08-24 |
| Cellulase Having Improved Thermostability App 20170183641 - Guo; Rey-Ting ; et al. | 2017-06-29 |
| Thermostable pectinase Grant 9,650,625 - Guo , et al. May 16, 2 | 2017-05-16 |
| Thermostable Pectinase App 20170121699 - Guo; Rey-Ting ; et al. | 2017-05-04 |
| Phytase having improved enzymatic activity Grant 9,194,010 - Guo , et al. November 24, 2 | 2015-11-24 |
| .beta.-mannanase having improved production yields and enzymatic activity Grant 8,999,695 - Guo , et al. April 7, 2 | 2015-04-07 |
| Phytase Having Improved Enzymatic Activity App 20150031110 - Guo; Rey-Ting ; et al. | 2015-01-29 |
| Beta-mannanase Having Improved Enzymatic Activity App 20140315273 - Guo; Rey-Ting ; et al. | 2014-10-23 |
| .beta.-mannanase having improved enzymatic activity Grant 8,865,444 - Guo , et al. October 21, 2 | 2014-10-21 |
| Xylanase having improved enzymatic activity Grant 8,722,382 - Guo , et al. May 13, 2 | 2014-05-13 |
| Glucanase having increased enzyme activity and thermostability Grant 8,192,974 - Guo , et al. June 5, 2 | 2012-06-05 |
| Thermostable cellulase having increased enzyme activity Grant 8,137,945 - Guo , et al. March 20, 2 | 2012-03-20 |
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