Inventor
Keith R. Mountfield
Inventor
Pittsburgh, PA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer40%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing30%
G06KGraphical data reading20%
G01RMeasuring electric variables10%
PatentTitleYear
7,266,268'Diffraction grating'20077,155,732'Heat assisted magnetic recording head and method'20065,378,885'Unshielded magnetoresistive head with multiple pairs of sensing elements'19955,358,088'Horizontal magnetoresistive head apparatus and method for detecting magnetic data'19945,155,643'Unshielded horizontal magnetoresistive head and method of fabricating same'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1995Patents assigned to MARS INC (3)· patent assignee history
1992–2007Based in Pittsburgh, PA, US· patent location history
2006–2007Patents assigned to SEAGATE TECHNOLOGY LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MARS INC | 3 | 1992–1995 |
| SEAGATE TECHNOLOGY LLC | 2 | 2006–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 5 | 1992–2007 |