Inventor
Yanmei Li
Inventor
Beijing, CN
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%
E21BEarth or rock drilling13%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for9%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation6%
A61QSpecific use of cosmetics or similar toiletry preparations4%
C12YEnzymes4%
G06FElectric digital data processing4%
C07DHeterocyclic compounds2%
C08JWorking-up2%
PatentTitleYear
10,827,775Nutritional supplements affecting cardiovascular efficiency202010,662,452Strain of meyerozyma guilliermondii and its use in methods of catalytic synthesis of 2,5-dihydroxymethylfuran202010,624,123PRACH access control method, and access method and device202010,545,599Array substrate, display panel and display device202010,209,782Input-based information display method and input system201910,012,162Engine air shut-off valve system20189,828,979Accumulator over hydraulic pump double-acting cylinder for artificial lift operations20179,631,464'Pneumatic-on-top counterbalanced three-chamber cylinder for artificial lift operations'20179,631,463'Accumulator counterbalanced three chamber cylinder for artificial lift operations'20179,226,911'Method of reducing weight using composition containing fucoxanthin extract'20169,180,078'Cosmetic composition containing lingonberry extract and its uses'20158,871,217'Method for producing fucoxanthin'20148,596,345'RCD sealing elements with multiple elastomer materials'20138,501,246'Cosmetic composition containing lingonberry extract and its uses'20138,454,970'Compositions containing fucoxanthin extract'20138,257,756'Black soybean hull extract, method for obtaining, and use thereof'20128,206,764'Black soybean hull extract, method for obtaining, and use thereof'20127,939,111'Lingonberry extract, methods of preparing, and uses thereof'20117,510,019'Forming a metal-to-metal seal in a well'20097,455,106'Polymer protective coated polymeric components for oilfield applications'20087,304,098'Hydrogel for use in downhole seal applications'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2009Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (3)· patent assignee history
2008–2009Based in Pearland, TX, US· patent location history
2011–2016Patents assigned to BEIJING GINGKO GROUP BIOLOG TECHNOLOGY CO LTD (7)· patent assignee history
2011–2020Based in Beijing, CN· patent location history
2012–2018Patents assigned to LI YANMEI (8)· patent assignee history
2012Patents assigned to DOU XIARUI (2)· patent assignee history
2013–2018Based in Katy, TX, US· patent location history
2017Patents assigned to HALLIBURTON ENERGY SERVICES INC (3)· patent assignee history
2020Based in Guangzhou, CN· patent location history
2020Based in Guangdong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LI YANMEIself | 8 | 2012–2018 |
| BEIJING GINGKO GROUP BIOLOG TECHNOLOGY CO LTD | 7 | 2011–2016 |
| HALLIBURTON ENERGY SERVICES INC | 3 | 2017 |
| SCHLUMBERGER TECHNOLOGY CORP | 3 | 2007–2009 |
| DOU XIARUI | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 10 | 2011–2020 |
| Katy, Texas, US | 5 | 2013–2018 |
| Pearland, Texas, US | 2 | 2008–2009 |
| Guangzhou, CN | 1 | 2020 |
| Guangdong, CN | 1 | 2020 |