Inventor
John P. Squires
Inventor
Boulder, CO, US
Overview
Patents· 20 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 transducer47%
G06FElectric digital data processing25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
H04SStereophonic systems3%
PatentTitleYear
9,510,127'Method and apparatus for generating an audio output comprising spatial information'20166,611,396'Disk level servo write'20036,279,108'Programmable microcontroller architecture for disk drive system'20015,854,720'Low-power hard disk drive system architecture'19985,610,808'Hard disk drive controller employing a plurality of microprocessors'19975,521,768'Low-power hard disk drive system architecture'19965,477,401'Magnet shield for disk drive'19955,412,666'Disk drive data path integrity control architecture'19955,402,200'Low-power hard disk drive system architecture'19955,381,281'Disk drive system using multiple embedded quadrature servo fields'19955,293,282'Multiple actuator disk drive'19945,274,773'Flexible host interface controller architecture'19935,261,058'Multiple microcontroller hard disk drive control architecture'19935,223,993'Multiple actuator disk drive'19935,121,262'Disk drive system employing adaptive read/write channel controls and method of using same'19925,050,016'Disk drive servo system using gain limited high-frequency track-following compensator'19914,979,055'Disk drive system controller architecture utilizing embedded real-time diagnostic monitor'19904,979,056'Disk drive system controller architecture'19904,876,491'Method and apparatus for brushless DC motor speed control'19894,622,499'Method and apparatus for controlling a motor'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to MINISCRIBE CORP (1)· patent assignee history
1986–2001Based in Jamestown, CO, US· patent location history
1989–1997Patents assigned to CONNER PERIPHERALS INC (15)· patent assignee history
1991–2003Based in Boulder, CO, US· patent location history
1998Patents assigned to SEAGATE PERIPHERALS INC (1)· patent assignee history
2003Patents assigned to MOBILE STORAGE TECHNOLOGY (1)· patent assignee history
2016Patents assigned to GOOGLE INC (1)· patent assignee history
2016Based in Newbridge, IE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONNER PERIPHERALS INC | 15 | 1989–1997 |
| GOOGLE INC | 1 | 2016 |
| MINISCRIBE CORP | 1 | 1986 |
| MOBILE STORAGE TECHNOLOGY | 1 | 2003 |
| SEAGATE PERIPHERALS INC | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 14 | 1991–2003 |
| Jamestown, CO, US | 5 | 1986–2001 |
| Newbridge, IE | 1 | 2016 |