Inventor
Joseph S. Chow
Inventor
Beijing, CN
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography17%
B41MPrinting, duplicating, marking, or copying processes11%
C12NMicroorganisms or enzymes11%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture11%
C12YEnzymes11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%
G04BMechanically-driven clocks or watches6%
G06FElectric digital data processing6%
G06KGraphical data reading6%
PatentTitleYear
10,301,606DNA polymerase possessing continuous catalytic capacity and salt tolerance201910,047,349DNA polymerase possessing continuous catalytic capacity and salt tolerance20186,797,347'Pigment treatment in paper coating compositions for improving ink-jet printing performance'20046,505,929'Pigment treatment in paper coating compositions for improving ink-jet printing performance'20035,975,416'Modulated laser data transfer'19995,605,081'Structure of wrench'19975,230,979'Method of electrostatic printing and toner used in such method'19935,130,177'Conductive coating compositions'19924,851,316'Liquid toner compositions with amino acids and polyvalent metal complexes as charge control additives'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to XEROX CORP (2)· patent assignee history
1993Patents assigned to AM INT (1)· patent assignee history
1993Based in Huber Heights, OH, US· patent location history
1997Based in Taipei, TW· patent location history
1999Based in Hungtington, NY, US· patent location history
2003Patents assigned to HEWLETT PACKARD CO (1)· patent assignee history
2003–2004Based in San Diego, CA, US· patent location history
2018–2019Patents assigned to HANGZHOU ZHONGCE BIO SCI&TECH CO LTD (2)· patent assignee history
2018–2019Based in Beijing, CN· patent location history
2019Patents assigned to HANGZHOU ZHONGEE BIO SCI & TECH CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HANGZHOU ZHONGCE BIO SCI&TECH CO LTD | 2 | 2018–2019 |
| XEROX CORP | 2 | 1989–1992 |
| AM INT | 1 | 1993 |
| HANGZHOU ZHONGEE BIO SCI & TECH CO LTD | 1 | 2019 |
| HEWLETT PACKARD CO | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 2 | 2018–2019 |
| San Diego, California, US | 2 | 2003–2004 |
| Hungtington, New York, US | 1 | 1999 |
| Taipei, TW | 1 | 1997 |
| Huber Heights, OH, US | 1 | 1993 |