Inventor
Shang-I Chou
Inventor
San Jose, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1027%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
C03BManufacture, shaping, or supplementary processes9%
E21BEarth or rock drilling9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
B08BCleaning in general5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
H01JElectric discharge tubes or discharge lamps5%
H01LSemiconductor devices5%
PatentTitleYear
9,412,670'System, method and apparatus for RF power compensation in plasma etch chamber'20168,624,210'Ozone plenum as UV shutter or tunable UV filter for cleaning semiconductor substrates'20148,525,139'Method and apparatus of halogen removal'20138,492,736'Ozone plenum as UV shutter or tunable UV filter for cleaning semiconductor substrates'20138,232,538'Method and apparatus of halogen removal using optimal ozone and UV exposure'20128,060,330'Method and system for centering wafer on chuck'20116,269,881'Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins and the alpha-olefin compositions'20015,351,757'Method for silica gel emplacement for enhanced oil recovery'19945,234,054'Method for foam emplacement in gas flooding for enhanced oil recovery'19934,819,729'Method for recovering petroleum using oligomeric surfactants'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1994Based in Anaheim, CA, US· patent location history
1993–1994Patents assigned to CHEVRON RES & TECH (2)· patent assignee history
2001Based in Fullerton, CA, US· patent location history
2011–2016Patents assigned to LAM RES CORP (6)· patent assignee history
2011–2013Patents assigned to CHOU SHANG-I (4)· patent assignee history
2011–2013Patents assigned to SINGH HARMEET (2)· patent assignee history
2011–2014Based in San Jose, CA, US· patent location history
2012–2013Patents assigned to SANT SANKET (2)· patent assignee history
2016Based in Fremont, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LAM RES CORP | 6 | 2011–2016 |
| CHOU SHANG-Iself | 4 | 2011–2013 |
| CHEVRON RES & TECH | 2 | 1993–1994 |
| SANT SANKET | 2 | 2012–2013 |
| SINGH HARMEET | 2 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 5 | 2011–2014 |
| Anaheim, California, US | 3 | 1989–1994 |
| Fremont, California, US | 1 | 2016 |
| Fullerton, California, US | 1 | 2001 |