Inventor
Chung-Yao Chao
Inventor
Hamden, CT, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits25%
C25DProcesses for the electrolytic or electrophoretic production of coatings19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C23CCoating metallic material8%
H01JElectric discharge tubes or discharge lamps8%
Y10TTechnical subjects covered by former us classification8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C22CAlloys6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis3%
PatentTitleYear
8,022,630'High intensity discharge lamp with corrosion-resistant electrical connector'20117,898,179'Discharge lamp exhibiting reduced thermal stress and method of making such a lamp'20115,714,839'Metal halide lamp with reduced quartz devitrification comprising sodium, scandium, lithium and cesium iodides'19985,356,527'Method for rinsing copper or copper base alloy foil after an anti-tarnish treatment'19945,320,737'Treatment to reduce solder plating whisker formation'19945,230,932'Chromium-zinc anti-tarnish coating for copper foil'19935,164,235'Anti-tarnish treatment of metal foil'19925,098,796'Chromium-zinc anti-tarnish coating on copper foil'19925,022,968'Method and composition for depositing a chromium-zinc anti-tarnish coating on copper foil'19914,952,285'Anti-tarnish treatment of metal foil'19904,905,074'Interdiffusion resistant Fe-Ni alloys having improved glass sealing property'19904,816,216'Interdiffusion resistant Fe--Ni alloys having improved glass sealing'19894,515,671'Electrochemical treatment of copper for improving its bond strength'19854,468,293'Electrochemical treatment of copper for improving its bond strength'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1994Patents assigned to OLIN CORP (11)· patent assignee history
1984–1994Based in Hamden, CT, US· patent location history
1991–1994Based in Waltham, MA, US· patent location history
1993–2011Based in Lincoln, MA, US· patent location history
1998–2011Patents assigned to OSRAM SYLVANIA INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLIN CORP | 11 | 1984–1994 |
| OSRAM SYLVANIA INC | 3 | 1998–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamden, CT, US | 7 | 1984–1994 |
| Lincoln, Massachusetts, US | 4 | 1993–2011 |
| Waltham, Massachusetts, US | 3 | 1991–1994 |