Inventor
Michael G. Ahrens
Inventor
Sunnyvale, CA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores44%
H03KPulse technique24%
H10BElectronic memory devices15%
H10DInorganic electric semiconductor devices9%
H03FAmplifiers3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
7,947,980'Non-volatile memory cell with charge storage element and method of programming'20117,687,797'Three-terminal non-volatile memory element with hybrid gate dielectric'20107,544,968'Non-volatile memory cell with charge storage element and method of programming'20097,450,431'PMOS three-terminal non-volatile memory element and method of programming'20087,420,842'Method of programming a three-terminal non-volatile memory element using source-drain bias'20086,687,157'Circuits and methods for identifying a defective memory cell via first, second and third wordline voltages'20046,525,973'Automatic bitline-latch loading for flash prom test'20036,388,946'Circuit and method for incrementally selecting word lines'20026,285,584'Method to implement flash memory'20016,272,060'Shift register clock scheme'20016,249,458'Switching circuit for transference of multiple negative voltages'20016,233,177'Bitline latch switching circuit for floating gate memory device requiring zero volt programming voltage'20016,212,103'Method for operating flash memory'20016,112,322'Circuit and method for stress testing EEPROMS'20005,671,234'Programmable input/output buffer circuit with test capability'19975,652,527'Input-output circuit for increasing immunity to voltage spikes'19975,629,636'Ram-logic tile for field programmable gate arrays'19975,534,798'Multiplexer with level shift capabilities'19965,465,055'RAM-logic tile for field programmable gate arrays'19955,453,696'Embedded fuse resistance measuring circuit'19955,299,150'Circuit for preventing false programming of anti-fuse elements'19945,286,992'Low voltage device in a high voltage substrate'19945,221,865'Programmable input/output buffer circuit with test capability'19934,918,341'High speed static single-ended sense amplifier'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to ACTEL CORPORATON (1)· patent assignee history
1990–2011Based in Sunnyvale, CA, US· patent location history
1993–1997Patents assigned to CROSSPOINT SOLUTIONS INC (6)· patent assignee history
1994Patents assigned to ACTEL CORP (2)· patent assignee history
1997Patents assigned to CROSSPOINT SOLUTIONS (1)· patent assignee history
2000–2011Patents assigned to XILINX INC (14)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XILINX INC | 14 | 2000–2011 |
| CROSSPOINT SOLUTIONS INC | 6 | 1993–1997 |
| ACTEL CORP | 2 | 1994 |
| ACTEL CORPORATON | 1 | 1990 |
| CROSSPOINT SOLUTIONS | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 24 | 1990–2011 |