Inventor
Evan Shigeto Hatakeyama
Inventor
Richmond, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation21%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C02FTreatment of water, waste water, sewage, or sludge8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
Y02ATechnologies for adaptation to climate change8%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
C08LCompositions of macromolecular compounds4%
PatentTitleYear
10,399,880Systems for producing regenerant brine and desalinated water from high temperature produced water201910,041,014Process, method and system for removal of mercury in a gas dehydration process20189,932,257Systems and methods for producing regenerant brine and desalinated water from high temperature produced water20189,446,348'Imidazolium-based room-temperature ionic liquids, polymers, monomers and membranes incorporating same'20168,926,732'Imidazolium-based room-temperature ionic liquids, polymers, monomers, and membranes incorporating same'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2016Patents assigned to UNIV COLORADO REGENTS (2)· patent assignee history
2015Patents assigned to BARA JASON E (1)· patent assignee history
2015Patents assigned to CARLISLE TREVOR K (1)· patent assignee history
2015Patents assigned to GIN DOUGLAS L (1)· patent assignee history
2015Based in Boulder, CO, US· patent location history
2016–2019Based in Richmond, CA, US· patent location history
2018–2019Patents assigned to CHEVRON USA INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEVRON USA INC | 3 | 2018–2019 |
| UNIV COLORADO REGENTS | 2 | 2015–2016 |
| BARA JASON E | 1 | 2015 |
| CARLISLE TREVOR K | 1 | 2015 |
| GIN DOUGLAS L | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, California, US | 4 | 2016–2019 |
| Boulder, CO, US | 1 | 2015 |