Inventor
Weijiang Zhang
Inventor
Concord, CA, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds31%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations28%
A61KPreparations for medical, dental or toiletry purposes23%
Y02PClimate change mitigation technologies in the production or processing of goods6%
C07CAcyclic or carbocyclic compounds3%
C07BGeneral methods of organic chemistry2%
C07KPeptides2%
C08JWorking-up2%
F04BPositive-displacement machines for liquids2%
G01FMeasuring volume, volume flow, mass flow or liquid level2%
PatentTitleYear
10,197,426Metering device and metering method for metering carbon dioxide flow20199,161,990'Hydrochloride salts of a glycopeptide-cephalosporin antbiotic compond'20159,139,542'Crystalline form of a substituted thiazolylacetic acid triethylamine salt'20158,921,372'Inhibitors of hepatitis C virus'20148,889,882'Process for preparing biphenyl imidazole compounds'20148,883,135'Crystalline form of a pyridyl-piperazinyl hepatitis C virus inhibitor'20148,541,597'Process for preparing biphenyl imidazole compounds'20138,455,530'Crystalline form of an alkoxyimidazol-1-ylmethyl biphenyl carboxylic acid'20138,188,294'Process for preparing biphenyl imidazole compounds'20128,153,675'Crystalline form of an alkoxyimidazol-1-ylmethyl biphenyl carboxylic acid'20128,030,502'Substituted 4-amino-1-(pyridylmethyl)piperidine and related compounds'20117,855,221'Crystalline form of an alkoxyimidazol-1-ylmethyl biphenyl carboxylic acid'20107,772,434'Crystalline form of a β2 adrenergic receptor agonist'20107,638,639'Substituted pyrrolidine and related compounds'20097,615,566'Substituted pyrrolidine and related compounds'20097,572,918'Process for preparing substituted 4-amino-1-(pyridylmethyl)piperidine and related compounds'20097,524,880'Crystalline form of a substituted pyrrolidine compound'20097,351,717'Substituted pyrrolidine and related compounds'20087,351,718'Substituted pyrrolidine and related compounds'20087,183,292'Substituted pyrrolidine and related compounds'20076,184,376'Synthesis of acyclic nucleoside derivatives'20016,046,207'Benzopyranopyrrole and benzopyranopyridine .alpha.-1 adrenergic compounds'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2001Based in Grayslake, IL, US· patent location history
2007–2013Patents assigned to THERAVANCE INC (14)· patent assignee history
2007–2009Based in Cupertino, CA, US· patent location history
2009–2015Based in Concord, CA, US· patent location history
2012–2015Patents assigned to ZHANG WEIJIANG (8)· patent assignee history
2012–2014Patents assigned to COLSON PIERRE-JEAN (3)· patent assignee history
2012–2013Patents assigned to CHAO ROBERT S (2)· patent assignee history
2014Patents assigned to THERAVANCE BIOPHARMA R & D IP LLC (3)· patent assignee history
2019Based in Zhejiang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THERAVANCE INC | 14 | 2007–2013 |
| ZHANG WEIJIANGself | 8 | 2012–2015 |
| COLSON PIERRE-JEAN | 3 | 2012–2014 |
| THERAVANCE BIOPHARMA R & D IP LLC | 3 | 2014 |
| CHAO ROBERT S | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Concord, California, US | 14 | 2009–2015 |
| Cupertino, California, US | 5 | 2007–2009 |
| Grayslake, Illinois, US | 2 | 2000–2001 |
| Zhejiang, CN | 1 | 2019 |