Inventor
Joel Kearns
Inventor
Springfield, VA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth43%
Y10TTechnical subjects covered by former us classification43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
8,673,075'Procedure for in-situ determination of thermal gradients at the crystal growth front'20148,641,822'Method and apparatus for controlling diameter of a silicon crystal ingot in a growth process'20148,221,545'Procedure for in-situ determination of thermal gradients at the crystal growth front'20128,012,255'Method and apparatus for controlling diameter of a silicon crystal ingot in a growth process'20116,648,967'Crystal-pulling apparatus for pulling and growing a monocrystalline silicon ingot, and method therefor'20035,023,058'Ampoule for crystal-growing furnace'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Based in Reston, VA, US· patent location history
2003Based in Salem, OR, US· patent location history
2011–2014Patents assigned to SUMCO PHOENIX CORP (4)· patent assignee history
2011–2014Patents assigned to SUMCO CORP (3)· patent assignee history
2011–2014Based in Springfield, VA, US· patent location history
2012–2014Patents assigned to KEARNS JOEL (3)· patent assignee history
2012–2014Patents assigned to ORSCHEL BENNO (3)· patent assignee history
2012–2014Patents assigned to TAKANASHI KEIICHI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMCO PHOENIX CORP | 4 | 2011–2014 |
| KEARNS JOELself | 3 | 2012–2014 |
| ORSCHEL BENNO | 3 | 2012–2014 |
| SUMCO CORP | 3 | 2011–2014 |
| TAKANASHI KEIICHI | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Springfield, Virginia, US | 4 | 2011–2014 |
| Salem, OR, US | 1 | 2003 |
| Reston, Virginia, US | 1 | 1991 |