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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2008 - 2012 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 360, Dynamic Magnetic Information Storage or Retrieval

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 2008 2009 2010 2011 2012 Total
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. 203 235 196 194 212 1040
SEAGATE TECHNOLOGY, LLC 82 94 106 86 80 448
TDK CORPORATION 61 80 107 134 62 444
SAMSUNG ELECTRONICS CO., LTD. 85 93 63 69 19 329
INTERNATIONAL BUSINESS MACHINES CORPORATION 45 63 57 85 66 316
TOSHIBA CORPORATION 43 44 46 46 80 259
WESTERN DIGITAL TECHNOLOGIES, INC. 39 43 48 55 68 253
FUJITSU LIMITED 95 103 7 5 14 224
MARVELL INTERNATIONAL LTD. 20 29 41 57 48 195
HEADWAY TECHNOLOGIES, INC. 41 22 25 41 43 172
SAE MAGNETICS (H.K.) LTD. 27 29 27 27 23 133
TOSHIBA STORAGE DEVICE CORPORATION 0 1 60 29 11 101
WESTERN DIGITAL (FREMONT), LLC 15 14 12 15 27 83
MAXTOR CORPORATION 38 37 5 2 0 82
FUJIFILM CORPORATION 30 19 8 8 4 69
NHK SPRING CO., LTD. 2 6 12 8 34 62
MAGNECOMP CORP. 8 12 9 8 11 48
SONY CORPORATION 21 16 4 1 6 48
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 14 10 5 8 9 46
~INDIVIDUALLY OWNED PATENT 3 9 16 5 12 45
HUTCHINSON TECHNOLOGY INC. 10 8 12 7 7 44
HITACHI, LTD 7 7 5 9 13 41
QUANTUM CORP. (CA) 10 12 10 3 4 39
AGERE SYSTEMS INC. 5 9 13 4 6 37
HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD. 15 8 6 4 2 35
LSI CORPORATION 0 1 0 17 16 34
TEXAS INSTRUMENTS, INCORPORATED 7 2 10 4 10 33
PANASONIC CORPORATION 3 7 10 7 4 31
BROADCOM CORPORATION 5 6 12 3 4 30
SEAGATE TECHNOLOGY INTERNATIONAL 0 0 0 0 30 30
HITACHI MAXELL, LTD. 1 4 5 9 6 25
NIDEC CORPORATION 3 5 0 1 15 24
ALPS ELECTRIC CO., LTD. 10 3 2 6 2 23
IMATION CORP. 10 6 1 2 2 21
ORACLE AMERICA, INC. 0 0 4 11 6 21
SPECTRA LOGIC CORPORATION 5 5 3 2 4 19
STORAGE TECHNOLOGY CORPORATION 10 6 3 0 0 19
SUN MICROSYSTEMS, INC. 4 8 7 0 0 19
ADVANCED RESEARCH CORPORATION 4 4 4 5 1 18
MITSUMI ELECTRIC CO., LTD. 9 5 2 1 0 17
NEC CORPORATION 7 1 3 1 4 16
HITACHI HIGH-TECHNOLOGIES CORPORATION 0 0 2 9 4 15
STMICROELECTRONICS, INC. 6 2 5 2 0 15
SUNCALL CORPORATION 2 1 0 3 9 15
NITTO DENKO CORPORATION 2 1 1 3 6 13
WD MEDIA, INC. 1 0 3 4 4 12
SHOWA DENKO KABUSHIKI KAISHA 0 0 3 3 5 11
XYRATEX TECHNOLOGY LIMITED 0 0 4 2 4 10
CERTANCE LLC 5 3 1 0 0 9
INTRI-PLEX TECHNOLOGIES, INC. 2 4 0 2 1 9
MARVELL WORLD TRADE LTD. 2 1 2 3 1 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 7 1 1 0 0 9
ALPHANA TECHNOLOGY CO., LTD. 0 0 0 0 8 8
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 1 3 2 0 1 7
FUJI ELECTRIC DEVICE TECHNOLOGY CO., LTD. 0 2 0 3 1 6
HITACHI GLOBAL STORAGE TECHNOLOGIES 5 0 1 0 0 6
LINK--A--MEDIA DEVICES CORPORATION 0 0 1 1 4 6
GRANDIS, INC. 0 2 2 1 0 5
IOMEGA CORPORATION 3 1 1 0 0 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 2 2 0 1 0 5
LENOVO (SINGAPORE) PTE LTD 0 1 1 2 1 5
ROHM CO., LTD. 1 0 2 2 0 5


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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