Stefan Andrei Ionescu

Person

Burnsville, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Channel apparatus for transmitting multiple differential signals
- Patent number 9,508,361
- Issue date Nov 29, 2016
- Seagate Technology LLC
- Bruce Buch
- G11 - INFORMATION STORAGE
Information Patent Grant
Pin-efficient reader bias enable control
- Patent number 9,202,477
- Issue date Dec 1, 2015
- Seagate Technology LLC
- Bruce Douglas Buch
- G11 - INFORMATION STORAGE
Information Patent Grant
First and second read sensors coupled to a preamplifier via a commo...
- Patent number 8,922,935
- Issue date Dec 30, 2014
- Seagate Technology LLC
- Stefan Ionescu
- G11 - INFORMATION STORAGE
Information Patent Grant
Pin-efficient reader bias enable control
- Patent number 8,861,115
- Issue date Oct 14, 2014
- Seagate Technology LLC
- Bruce Douglas Buch
- G11 - INFORMATION STORAGE
Information Patent Grant
In situ sensor based contact detection
- Patent number 8,837,076
- Issue date Sep 16, 2014
- Seagate Technology LLC
- CheeWee Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Gain control for latency testing
- Patent number 8,737,000
- Issue date May 27, 2014
- Seagate Technology LLC
- Stefan Andrei Ionescu
- G11 - INFORMATION STORAGE
Information Patent Grant
Communication path latency measurement using capacitive coupling
- Patent number 8,687,300
- Issue date Apr 1, 2014
- Seagate Technology LLC
- Stefan Andrei Ionescu
- G11 - INFORMATION STORAGE
Information Patent Grant
Wire-assisted magnetic write device with phase shifted current
- Patent number 8,098,455
- Issue date Jan 17, 2012
- Seagate Technology LLC
- Stefan A. Ionescu
- G11 - INFORMATION STORAGE
Information Patent Grant
Detecting contact between a slider and a data storage medium withou...
- Patent number 7,952,829
- Issue date May 31, 2011
- Seagate Technology LLC
- Stefan Andrei Ionescu
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-disc interface (HDI) modal response monitoring
- Patent number 7,742,255
- Issue date Jun 22, 2010
- Seagate Technology LLC
- Antanas Daugela
- G11 - INFORMATION STORAGE
Information Patent Grant
Monitoring transducer potential to detect an operating condition
- Patent number 7,656,600
- Issue date Feb 2, 2010
- Seagate Technology LLC
- Housan Dakroub
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple devices selected fault feature for data integrity in disc...
- Patent number 6,304,403
- Issue date Oct 16, 2001
- Seagate Technology LLC
- Stefan A. Ionescu
- G11 - INFORMATION STORAGE
Information Patent Grant
Programmable write current waveform for high frequency magnetic rec...
- Patent number 6,301,068
- Issue date Oct 9, 2001
- Seagate Technology LLC
- Stefan A. Ionescu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
CHANNEL APPARATUS FOR TRANSMITTING MULTIPLE DIFFERENTIAL SIGNALS
- Publication number 20160260446
- Publication date Sep 8, 2016
- SEAGATE TECHNOLOGY LLC
- Bruce Buch
- G11 - INFORMATION STORAGE
Information Patent Application
PIN-EFFICIENT READER BIAS ENABLE CONTROL
- Publication number 20150029613
- Publication date Jan 29, 2015
- SEAGATE TECHNOLOGY LLC
- Bruce Douglas Buch
- G11 - INFORMATION STORAGE
Information Patent Application
In Situ Sensor Based Contact Detection
- Publication number 20140268406
- Publication date Sep 18, 2014
- CheeWee Cheng
- G11 - INFORMATION STORAGE
Information Patent Application
PIN-EFFICIENT READER BIAS ENABLE CONTROL
- Publication number 20140016221
- Publication date Jan 16, 2014
- SEAGATE TECHNOLOGY LLC
- Bruce Douglas Buch
- G11 - INFORMATION STORAGE
Information Patent Application
GAIN CONTROL FOR LATENCY TESTING
- Publication number 20140016222
- Publication date Jan 16, 2014
- SEAGATE TECHNOLOGY LLC
- Stefan Andrei Ionescu
- G11 - INFORMATION STORAGE
Information Patent Application
COMMUNICATION PATH LATENCY MEASUREMENT USING CAPACITIVE COUPLING
- Publication number 20130188274
- Publication date Jul 25, 2013
- SEAGATE TECHNOLOGY LLC
- Stefan Andrei Ionescu
- G11 - INFORMATION STORAGE
Information Patent Application
DETECTING CONTACT BETWEEN A SLIDER AND A DATA STORAGE MEDIUM WITHOU...
- Publication number 20100073799
- Publication date Mar 25, 2010
- Seagate Technology LLC
- Stefan Andrei Ionescu
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD-DISC INTERFACE (HDI) MODAL RESPONSE MONITORING
- Publication number 20090015962
- Publication date Jan 15, 2009
- Seagate Technology LLC
- ANTANAS DAUGELA
- G11 - INFORMATION STORAGE
Information Patent Application
Wire-assisted magnetic write device with phase shifted current
- Publication number 20090002883
- Publication date Jan 1, 2009
- Seagate Technology LLC
- Stefan A. Ionescu
- G11 - INFORMATION STORAGE
Information Patent Application
MONITORING TRANSDUCER POTENTIAL TO DETECT AN OPERATING CONDITION
- Publication number 20080278835
- Publication date Nov 13, 2008
- Seagate Technology, LLC
- Housan Dakroub
- G11 - INFORMATION STORAGE
Information Patent Application
Non-linear shunt protective device for ESD protection
- Publication number 20040264065
- Publication date Dec 30, 2004
- Stefan A. Ionescu
- G11 - INFORMATION STORAGE

Stefan Andrei Ionescu

Person

Patents Grantslast 30 patents

Channel apparatus for transmitting multiple differential signals

Pin-efficient reader bias enable control

First and second read sensors coupled to a preamplifier via a commo...

Pin-efficient reader bias enable control

In situ sensor based contact detection

Gain control for latency testing

Communication path latency measurement using capacitive coupling

Wire-assisted magnetic write device with phase shifted current

Detecting contact between a slider and a data storage medium withou...

Head-disc interface (HDI) modal response monitoring

Monitoring transducer potential to detect an operating condition

Multiple devices selected fault feature for data integrity in disc...

Programmable write current waveform for high frequency magnetic rec...

Patents Applicationslast 30 patents

CHANNEL APPARATUS FOR TRANSMITTING MULTIPLE DIFFERENTIAL SIGNALS

PIN-EFFICIENT READER BIAS ENABLE CONTROL

In Situ Sensor Based Contact Detection

PIN-EFFICIENT READER BIAS ENABLE CONTROL

GAIN CONTROL FOR LATENCY TESTING

COMMUNICATION PATH LATENCY MEASUREMENT USING CAPACITIVE COUPLING

DETECTING CONTACT BETWEEN A SLIDER AND A DATA STORAGE MEDIUM WITHOU...

HEAD-DISC INTERFACE (HDI) MODAL RESPONSE MONITORING

Wire-assisted magnetic write device with phase shifted current

MONITORING TRANSDUCER POTENTIAL TO DETECT AN OPERATING CONDITION

Non-linear shunt protective device for ESD protection