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Patent Assignment Details

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Reel/Frame:	010579/0655			Pages:	8
		Recorded:	02/01/2000
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 48

1

Patent #:	4695351	Issue Dt:	09/22/1987	Application #:	06884013	Filing Dt:	07/10/1986
Title:	METHOD FOR PRODUCING MAGNETIC HEADS

2

Patent #:	4907113	Issue Dt:	03/06/1990	Application #:	07079117	Filing Dt:	07/29/1987
Title:	THREE-POLE MAGNETIC RECORDING HEAD

3

Patent #:	4935832	Issue Dt:	06/19/1990	Application #:	07168978	Filing Dt:	03/16/1988
Title:	RECORDING HEADS WITH SIDE SHIELDS

4

Patent #:	4839197	Issue Dt:	06/13/1989	Application #:	07181208	Filing Dt:	04/13/1988
Title:	PROCESS FOR FABRICATING THIN FILM MAGNETIC RECORDING HEADS HAVING PRECISION CONTROL OF THE WIDTH TOLERANCE OF THE UPPER POLE TIP

5

Patent #:	4931886	Issue Dt:	06/05/1990	Application #:	07212876	Filing Dt:	06/29/1988
Title:	APPARATUS AND METHODS TO SUPPRESS PERPENDICULAR FIELDS IN LONGITUDINAL LONGITUDINAL RECORDING

6

Patent #:	5089334	Issue Dt:	02/18/1992	Application #:	07227808	Filing Dt:	08/03/1988
Title:	FLUX SPREADING THIN FILM MAGNETIC DEVICES

7

Patent #:	4970616	Issue Dt:	11/13/1990	Application #:	07233322	Filing Dt:	08/17/1988
Title:	RECORDING HEAD TO MINIMIZE UNDERSHOOTS IN READBACK PULSES

8

Patent #:	5023991	Issue Dt:	06/18/1991	Application #:	07238868	Filing Dt:	08/31/1988
Title:	ELECTRICAL GUIDE FOR TIGHT TOLERANCE MACHINING

9

Patent #:	4885649	Issue Dt:	12/05/1989	Application #:	07253390	Filing Dt:	10/04/1988
Title:	THIN FILM HEAD HAVING A MAGNETO-RESTRICTIVE READ ELEMENT

10

Patent #:	5085935	Issue Dt:	02/04/1992	Application #:	07360421	Filing Dt:	06/02/1989
Title:	FLUX SPREADING THIN FILM MAGNETIC DEVICES

11

Patent #:	5111352	Issue Dt:	05/05/1992	Application #:	07369833	Filing Dt:	06/22/1989
Title:	THREE-POLE MAGNETIC HEAD WITH REDUCED FLUX LEAKAGE

12

Patent #:	5108837	Issue Dt:	04/28/1992	Application #:	07410028	Filing Dt:	09/20/1989
Title:	LAMINATED POLES FOR RECORDING HEADS

13

Patent #:	4972287	Issue Dt:	11/20/1990	Application #:	07449133	Filing Dt:	12/08/1989
Title:	THIN FILM READ/WRITE HEAD HAVING A SOLENOIDAL ENERGIZING COIL

14

Patent #:	5081554	Issue Dt:	01/14/1992	Application #:	07534371	Filing Dt:	06/06/1990
Title:	BIASING CONDUCTOR FOR MR HEAD

15

Patent #:	5159511	Issue Dt:	10/27/1992	Application #:	07546368	Filing Dt:	06/29/1990
Title:	BIASING CONDUCTOR FOR MR HEAD

16

Patent #:	5068959	Issue Dt:	12/03/1991	Application #:	07582799	Filing Dt:	09/11/1990
Title:	METHOD OF MANUFACTURING A THIN FILM HEAD

17

Patent #:	5184267	Issue Dt:	02/02/1993	Application #:	07603162	Filing Dt:	10/25/1990
Title:	TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING

18

Patent #:	5134535	Issue Dt:	07/28/1992	Application #:	07644029	Filing Dt:	01/18/1991
Title:	ARCHITECTURE FOR A THIN-FILM MAGNETIC RECORDING HEAD

19

Patent #:	5103553	Issue Dt:	04/14/1992	Application #:	07660211	Filing Dt:	02/20/1991
Title:	METHOD OF MAKING A MAGNETIC RECORDING HEAD

20

Patent #:	5097370	Issue Dt:	03/17/1992	Application #:	07663192	Filing Dt:	02/28/1991
Title:	SUBAMBIENT PRESSURE AIR BEARING SLIDER FOR DISK DRIVE

21

Patent #:	5193039	Issue Dt:	03/09/1993	Application #:	07686596	Filing Dt:	04/17/1991
Title:	PERMANENT MAGNET EASY-AXIS BIASED MAGNETORESISTIVE HEAD

22

Patent #:	5175938	Issue Dt:	01/05/1993	Application #:	07694802	Filing Dt:	05/17/1991
Title:	ELECTRICAL GUIDE FOR TIGHT TOLERANCE MACHINING

23

Patent #:	5311386	Issue Dt:	05/10/1994	Application #:	07721233	Filing Dt:	06/26/1991
Title:	TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING

24

Patent #:	5267112	Issue Dt:	11/30/1993	Application #:	07767994	Filing Dt:	09/30/1991
Title:	THIN FILM READ/WRITE HEAD FOR MINIMIZING ERASE FRINGING AND METHOD OF MAKING THE SAME

25

Patent #:	5571573	Issue Dt:	11/05/1996	Application #:	07831615	Filing Dt:	02/06/1992
Title:	PROCESS OF FORMING MAGNETIC DEVICES WITH ENHANCED POLES

26

Patent #:	5331496	Issue Dt:	07/19/1994	Application #:	07837358	Filing Dt:	02/14/1992
Title:	THIN-FILM MAGNETIC TRANSDUCER WITH A MULTITUDE OF MAGNETIC FLUX INTERACTIONS

27

Patent #:	5309303	Issue Dt:	05/03/1994	Application #:	07851054	Filing Dt:	03/13/1992
Title:	SUBAMBIENT PRESSURE AIR BEARING SLIDER FOR DISK DRIVE

28

Patent #:	5311387	Issue Dt:	05/10/1994	Application #:	07865285	Filing Dt:	04/08/1992
Title:	THREE-POLE MAGNETIC RECORDING HEAD WITH HIGH READBACK RESOLUTION

29

Patent #:	5314596	Issue Dt:	05/24/1994	Application #:	07888105	Filing Dt:	05/26/1992
Title:	MAGNETIC POLE CONFIGURATION FOR HIGH DENSITY THIN FILM RECORDING HEAD

30

Patent #:	5195005	Issue Dt:	03/16/1993	Application #:	07890372	Filing Dt:	05/26/1992
Title:	TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING

31

Patent #:	5240740	Issue Dt:	08/31/1993	Application #:	07988370	Filing Dt:	12/09/1992
Title:	METHO OF MAKING A THIN FILM HEAD WITH MINIMIZED SECONDARY PULSES

32

Patent #:	5384680	Issue Dt:	01/24/1995	Application #:	08017998	Filing Dt:	02/16/1993
Title:	PERPENDICULAR ANISOTROPY IN THIN FILM DEVICES

33

Patent #:	5468177	Issue Dt:	11/21/1995	Application #:	08023274	Filing Dt:	02/26/1993
Title:	LAPPING FIXTURE FOR DISK SLIDERS

34

Patent #:	5333086	Issue Dt:	07/26/1994	Application #:	08038330	Filing Dt:	03/29/1993
Title:	A THIN FILM TWO-POLE INDUCTIVE MAGNETIC HEAD WITH MINIMIZED SECONDARY PULSES

35

Patent #:	5494473	Issue Dt:	02/27/1996	Application #:	08089141	Filing Dt:	07/07/1993
Title:	ELECTRICAL ACCESS FOR ELECTRICAL LAPPING GUIDES

36

Patent #:	5428893	Issue Dt:	07/04/1995	Application #:	08145469	Filing Dt:	11/04/1993
Title:	METHOD OF MAKING A TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING

37

Patent #:	5406694	Issue Dt:	04/18/1995	Application #:	08157806	Filing Dt:	11/24/1993
Title:	SCALABLE METHOD OF FABRICATING THIN-FILM SLIDERS

38

Patent #:	5428887	Issue Dt:	07/04/1995	Application #:	08181582	Filing Dt:	01/13/1994
Title:	METHOD OF MAKING A TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING

39

Patent #:	5546253	Issue Dt:	08/13/1996	Application #:	08239243	Filing Dt:	05/06/1994
Title:	DIGITIAL OUTPUT MAGNETORESISTIVE (DOMR) HEAD AND METHODS ASSOCIATED THEREWITH

40

Patent #:	5483402	Issue Dt:	01/09/1996	Application #:	08259795	Filing Dt:	06/15/1994
Title:	MAGNETO RESISTIVE HEAD HAVING SYMMETRIC OFF-TRACK PERFORMANCE PROFILE

41

Patent #:	RE35477	Issue Dt:	03/18/1997	Application #:	08346821	Filing Dt:	11/16/1994
Title:	THIN FILM HEAD SLIDER FABRICATION PROCESS

42

Patent #:	5591073	Issue Dt:	01/07/1997	Application #:	08571660	Filing Dt:	12/13/1995
Title:	METHOD AND APPARATUS FOR LAPPING SLIDERS

43

Patent #:	5752309	Issue Dt:	05/19/1998	Application #:	08663839	Filing Dt:	06/14/1996
Title:	METHOD AND APPARATUS FOR PRECISELY DIMENSIONING POLE TIPS OF A MAGNETIC TRANSDUCING HEAD STRUCTURE

44

Patent #:	5633770	Issue Dt:	05/27/1997	Application #:	08688127	Filing Dt:	07/27/1996
Title:	DIGITAL OUTPUT MAGNETORESISTIVE (DOMR) HEAD AND METHODS ASSOCIATED THEREWITH

45

Patent #:	5830587	Issue Dt:	11/03/1998	Application #:	08743270	Filing Dt:	11/04/1996
Title:	MAGNETIC DEVICES WITH ENHANCED POLES

46

Patent #:	5804085	Issue Dt:	09/08/1998	Application #:	08791401	Filing Dt:	01/30/1997
Title:	PROCESS FOR PRODUCING A POLE-TRIMMED WRITER IN A MAGNETORESISTIVE READ/WRITE HEAD AND A DATA TRANSDUCER MADE THEREBY

47

Patent #:	5883762	Issue Dt:	03/16/1999	Application #:	08818472	Filing Dt:	03/13/1997
Title:	ELECTROPLATING APPARATUS AND PROCESS FOR REDUCING OXIDATION OF OXIDIZABLE PLATING ANIONS AND CATIONS

48

Patent #:	5850324	Issue Dt:	12/15/1998	Application #:	08818474	Filing Dt:	03/13/1997
Title:	MAGNETORESISTIVE HEAD HAVING ELECTRICALLY ISOLATED CONDUCTOR LEADS

Assignors

1

QUANTUM CORPORATION

Exec Dt:

01/17/2000

2

MATSUSHITA-KOTOBUKI PERIPHERALS CORPORATION

Exec Dt:

01/24/2000

3

MKE-QUANTUM COMPONENTS LLC

Exec Dt:

01/27/2000

4

MATSUSHITA-KOTOBUKI ELECTRONICS INDUSTRIES, LTD.

Exec Dt:

01/23/2000

Assignee

1

MATSUSHITA-KOTOBUKI ELECTRONICS INDUSTRIES, LTD.

247 FUKUTAKE SAIJO

EHIME, JAPAN 793-8

Correspondence name and address
	HOGAN & HARTSON LLP
	CAROL W. BURTON, ESQ.
	1200 17TH STREET, SUITE 1500
	DENVER, COLORADO 80202

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