Inventor
Chunhong Li
Inventor
Provo, UT, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Jprimary
C07JSteroids18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
B01DSeparation5%
C01BNon-metallic elements5%
C02FTreatment of water, waste water, sewage, or sludge5%
C07DHeterocyclic compounds5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08LCompositions of macromolecular compounds5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
PatentTitleYear
D0917589Drill bit202110,870,089Hydrophilic graphitic material202010,655,892Heat transfer pipe embedded in a prefabricated pipe pile and embedding method20209,602,373'Method, apparatus and system for dual-homing protection switching'20178,362,151'Hybrid polymer materials for liquid crystal alignment layers'20138,044,200'Synthesis and purification of pteroic acid and conjugates thereof'20117,598,234'Steroid derived antibiotics'20096,767,904'Steroid derived antibiotics'20046,486,148'Steroid derived antibiotics'20026,350,738'Steroid derived antibiotics'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2009Patents assigned to UNIV BRIGHAM YOUNG (3)· patent assignee history
2002–2009Based in Provo, UT, US· patent location history
2013–2017Patents assigned to LI CHUNHONG (2)· patent assignee history
2017Based in Shenzhen, CN· patent location history
2020Patents assigned to 4TH PHASE TECH INC (1)· patent assignee history
2020Patents assigned to 4TH PHASE WATER TECH INC (1)· patent assignee history
2020Based in West Chester, PA, US· patent location history
2020Based in Jiangsu, CN· patent location history
2021Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2021Based in Zhejiang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV BRIGHAM YOUNG | 3 | 2002–2009 |
| LI CHUNHONGself | 2 | 2013–2017 |
| 4TH PHASE TECH INC | 1 | 2020 |
| 4TH PHASE WATER TECH INC | 1 | 2020 |
| BOSCH GMBH ROBERT | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Provo, UT, US | 4 | 2002–2009 |
| Zhejiang, CN | 1 | 2021 |
| West Chester, Pennsylvania, US | 1 | 2020 |
| Jiangsu, CN | 1 | 2020 |
| Shenzhen, CN | 1 | 2017 |