Inventor
Steven E. Marum
Inventor
Sherman, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices31%
H03KPulse technique25%
G05FSystems for regulating electric or magnetic variables13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G04GElectronic time-pieces6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
H02HEmergency protective circuit arrangements6%
H04QSelecting6%
PatentTitleYear
8,391,469'Methods and apparatus to decode dual-tone signals'20137,274,545'ESD clamp with “trailing pulse†suppression'20076,137,338'Low resistance input protection circuit'20006,125,021'Semiconductor ESD protection circuit'20006,100,719'Low-voltage bus switch maintaining isolation under power-down conditions'20005,506,742'Circuitry and structures for electrostatic discharge protection'19965,500,546'ESD protection circuits using Zener diodes'19965,268,588'Semiconductor structure for electrostatic discharge protection'19934,920,286'Method and circuitry for compensating for negative internal ground voltage glitches'19904,725,747'Integrated circuit distributed geometry to reduce switching noise'19884,199,714'Voltage regulator for integrated injection logic electronic system with liquid crystal display'19804,189,909'Integrated injection logic electronic system with voltage regulator for multiplexed liquid crystal display'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2013Patents assigned to TEXAS INSTRUMENTS INC (12)· patent assignee history
1980–2013Based in Sherman, TX, US· patent location history
2013Patents assigned to MARUM STEVEN EDWARD (1)· patent assignee history
2013Patents assigned to WILLIAMS KENNETH L (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 12 | 1980–2013 |
| MARUM STEVEN EDWARDself | 1 | 2013 |
| WILLIAMS KENNETH L | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sherman, Texas, US | 12 | 1980–2013 |