Inventor
Randall Grafton Lee
Inventor
Byfield, MA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps24%
G11BInformation storage based on relative movement between record carrier and transducer19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
Y10TTechnical subjects covered by former us classification19%
G01QScanning-probe techniques or apparatus10%
B82YSpecific uses or applications of nanostructures5%
C01BNon-metallic elements5%
PatentTitleYear
7,258,901'Directed growth of nanotubes on a catalyst'20077,045,275'Thin-film magnetic recording head manufacture'20067,032,437'Directed growth of nanotubes on a catalyst'20066,579,665'Thin-film magnetic recording head manufacture'20036,354,438'Focused ion beam apparatus for forming thin-film magnetic recording heads'20026,004,437'Thin-film magnetic recording head manufacturing method'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2002Patents assigned to MICRION CORP (2)· patent assignee history
1999–2006Based in Byfield, MA, US· patent location history
2003–2007Patents assigned to FEI CO (4)· patent assignee history
2006Based in Georgetown, MA, US· patent location history
2007Based in Aurora, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FEI CO | 4 | 2003–2007 |
| MICRION CORP | 2 | 1999–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Byfield, Massachusetts, US | 4 | 1999–2006 |
| Aurora, OH, US | 1 | 2007 |
| Georgetown, Massachusetts, US | 1 | 2006 |