Inventor
Christopher L. Hill
Inventor
Apple Valley, MN, US
Overview
Patents· 11 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 transducer35%
C01BNon-metallic elements9%
C04BLime, magnesia9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters9%
Y10TTechnical subjects covered by former us classification9%
B23KSoldering or unsoldering4%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
E21BEarth or rock drilling4%
G05BControl or regulating systems in general4%
PatentTitleYear
10,803,892Voice coil motor saturation detection20209,045,347'Stiochiometric silicon carbide fibers from thermo-chemically cured polysilazanes'20158,987,402'Stoichiometric silicon carbide fibers from thermo-chemically cured polysilazanes'20157,692,394'Power supply output control apparatus and method'20106,710,567'Velocity dependent reference profile for spindle motor acceleration control'20046,166,503'Disc drive spindle motor with programmable current control'20006,134,070'Encoded servo track configurations, servo writer and systems/method regarding same'20006,011,375'Disc drive spindle motor with programmable current control'20005,452,150'Data cartridge with magnetic tape markers'19955,450,257'Head-tape alignment system and method'19954,817,852'Method of replacing drill bit heads'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1995–2000Based in Woodbury, WA, US· patent location history
1995Based in St. Paul, MN, US· patent location history
2000–2020Patents assigned to SEAGATE TECHNOLOGY LLC (4)· patent assignee history
2000–2020Based in Apple Valley, MN, US· patent location history
2015Patents assigned to GEN ELECTRIC (2)· patent assignee history
2015Patents assigned to HILL CHRISTOPHER L (2)· patent assignee history
2015Patents assigned to POPE EDWARD J A (2)· patent assignee history
2015Based in Woodland Hills, CA, US· patent location history
2015Based in Westlake Village, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEAGATE TECHNOLOGY LLC | 4 | 2000–2020 |
| GEN ELECTRIC | 2 | 2015 |
| HILL CHRISTOPHER Lself | 2 | 2015 |
| MINNESOTA MINING & MFG | 2 | 1995 |
| POPE EDWARD J A | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Apple Valley, Minnesota, US | 5 | 2000–2020 |
| Woodbury, Washington, US | 2 | 1995–2000 |
| Woodland Hills, California, US | 1 | 2015 |
| Westlake Village, California, US | 1 | 2015 |
| St. Paul, Minnesota, US | 1 | 1995 |