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Patent Assignment Abstract of Title

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Total Assignments: 4

Patent #:	7833908	Issue Dt:	11/16/2010	Application #:	10556377	Filing Dt:	12/06/2006
Publication #:	20070158309	Pub Dt:	07/12/2007
Inventors:	Jea Gun Park, Takeo Katoh, Won Mo Lee, Sung Jun Kim, Un Gyu Paik, Hyun Goo Kang
Title:	SLURRY COMPOSITION FOR CHEMICAL-MECHANICAL POLISHING CAPABLE OF COMPENSATING NANOTOPOGRAPHY EFFECT AND METHOD FOR PLANARIZING SURFACE OF SEMICONDUCTOR DEVICE USING THE SAME

Assignment: 1

Reel/Frame:

017698/0880

Recorded: 03/20/2006

Pages: 4

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

PARK, JEA GUN

Exec Dt:

01/20/2006

KATOH, TAKEO

Exec Dt:

01/20/2006

LEE, WON MO

Exec Dt:

01/20/2006

KANG, HYUN GOO

Exec Dt:

01/22/2006

PAIK, UN GYU

Exec Dt:

01/20/2006

KIM, SUN JUN

Exec Dt:

01/20/2006

Assignees:

SUMCO CORPORATION

2-1, SHIBAURA 1-CHOME

MINATO-KU, TOKYO, JAPAN

HANYANG HAK WON CO., LTD.

17, HAENGDANG 1-DONG, SEONGDONG-GU

SEOUL, KOREA, REPUBLIC OF

Correspondent:

PILLSBURY WINTHROP SHAW PITTMAN

P.O. BOX 10500

1650 TYSONS BOULEVARD

MCLEAN, VA 22102

Assignment: 2

Reel/Frame:

018685/0946

Recorded: 12/06/2006

Pages: 3

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

PARK, JEA GUN

Exec Dt:

01/20/2006

KATOH, TAKEO

Exec Dt:

01/20/2006

LEE, WON MO

Exec Dt:

01/20/2006

KANG, HYUN GOO

Exec Dt:

01/20/2006

PAIK, UN GYU

Exec Dt:

01/20/2006

KIM, SUN JUN

Exec Dt:

01/20/2006

Assignees:

SUMCO CORPORATION

2-1, SHIBAURA 1-CHOME, MINATO-KU

TOKYO, JAPAN

HANYANG HAK WON CO.

17, HAENGDANG 1-DONG, SEONGDONG-GU

SEOUL, KOREA, REPUBLIC OF

Correspondent:

PILLSBURY WINTHROP SHAW, ET AL.

P.O. BOX 10500

2300 N STREET, N.W.

MCLEAN, VA 22102

Assignment: 3

Reel/Frame:

054580/0621

Recorded: 12/08/2020

Pages: 3

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

HANYANG HAK WON CO.

Exec Dt:

12/08/2020

Assignee:

SUMCO CORPORATION

17, HAENGDANG 1-DONG, SEONGDONG-GU

SEOUL, KOREA, REPUBLIC OF

Correspondent:

GREENBLUM & BERNSTEIN P.L.C.

1950 ROLAND CLARKE PL

RESTON, VA 20191

Assignment: 4

Reel/Frame:

054972/0871

Recorded: 01/12/2021

Pages: 5

Conveyance:

CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 054580 FRAME 0621. ASSIGNOR(S) HEREBY CONFIRMS THE ADDRESS SHOULD READ AS:SUMCO CORPORATION1-2-1, SHIBAURA, MINATO-KUTOKYO, JAPAN.

Assignor:

HANYANG HAK WON CO.

Exec Dt:

12/08/2020

Assignee:

SUMCO CORPORATION

1-2-1, SHIBAURA, MINATO-KU

TOKYO, JAPAN 105-8634

Correspondent:

GREENBLUM & BERNSTEIN P.L.C.

1950 ROLAND CLARKE PL

RESTON, VA 20191

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