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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. 235 196 194 212 156 993
SEAGATE TECHNOLOGY, LLC 94 106 86 80 78 444
TDK CORPORATION 80 107 134 62 36 419
INTERNATIONAL BUSINESS MACHINES CORPORATION 63 57 85 66 59 330
WESTERN DIGITAL TECHNOLOGIES, INC. 43 48 55 68 73 287
TOSHIBA CORPORATION 44 46 46 80 54 270
SAMSUNG ELECTRONICS CO., LTD. 93 63 69 19 1 245
MARVELL INTERNATIONAL LTD. 29 41 57 48 34 209
HEADWAY TECHNOLOGIES, INC. 22 25 41 43 52 183
FUJITSU LIMITED 103 7 5 14 5 134
SAE MAGNETICS (H.K.) LTD. 29 27 27 23 13 119
WESTERN DIGITAL (FREMONT), LLC 14 12 15 27 39 107
TOSHIBA STORAGE DEVICE CORPORATION 1 60 29 11 0 101
NHK SPRING CO., LTD. 6 12 8 34 17 77
LSI CORPORATION 1 0 17 16 19 53
MAGNECOMP CORP. 12 9 8 11 10 50
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 10 5 8 9 15 47
NIDEC CORPORATION 5 0 1 15 25 46
~INDIVIDUALLY OWNED PATENT 9 16 5 12 4 46
HITACHI, LTD 7 5 9 13 10 44
MAXTOR CORPORATION 37 5 2 0 0 44
FUJIFILM CORPORATION 19 8 8 4 3 42
AGERE SYSTENS LLC 9 13 4 6 5 37
HUTCHINSON TECHNOLOGY INC. 8 12 7 7 3 37
SEAGATE TECHNOLOGY INTERNATIONAL 0 0 0 30 7 37
TEXAS INSTRUMENTS, INCORPORATED 2 10 4 10 5 31
QUANTUM CORP. (CA) 12 10 3 4 1 30
PANASONIC CORPORATION 7 10 7 4 1 29
SONY CORPORATION 16 4 1 6 2 29
SUNCALL CORPORATION 1 0 3 9 14 27
HITACHI MAXELL, LTD. 4 5 9 6 2 26
BROADCOM CORPORATION 6 12 3 4 0 25
ORACLE AMERICA, INC. 0 4 11 6 1 22
HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD. 8 6 4 2 1 21
HITACHI HIGH-TECHNOLOGIES CORPORATION 0 2 9 4 3 18
NITTO DENKO CORPORATION 1 1 3 6 7 18
SPECTRA LOGIC CORPORATION 5 3 2 4 4 18
ADVANCED RESEARCH CORPORATION 4 4 5 1 3 17
ALPHANA TECHNOLOGY CO., LTD. 0 0 0 8 7 15
SUN MICROSYSTEMS, INC. 8 7 0 0 0 15
NEC CORPORATION 1 3 1 4 5 14
WD MEDIA, INC. 0 3 4 4 3 14
ALPS ELECTRIC CO., LTD. 3 2 6 2 0 13
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 0 2 11 13
XYRATEX TECHNOLOGY LIMITED 0 4 2 4 3 13
IMATION CORP. 6 1 2 2 1 12
SAMSUNG ELECTRO-MECHANICS JAPAN ADVANCED TECHNOLOGY CO., LTD. 0 0 0 0 12 12
SHOWA DENKO KABUSHIKI KAISHA 0 3 3 5 1 12
STMICROELECTRONICS, INC. 2 5 2 0 3 12
MARVELL WORLD TRADE LTD. 1 2 3 1 2 9
STORAGE TECHNOLOGY CORPORATION 6 3 0 0 0 9
FUJI ELECTRIC CO., LTD. 0 0 0 4 4 8
INTRI-PLEX TECHNOLOGIES, INC. 4 0 2 1 1 8
MITSUMI ELECTRIC CO., LTD. 5 2 1 0 0 8
LINK--A--MEDIA DEVICES CORPORATION 0 1 1 4 1 7
ORACLE INTERNATIONAL CORPORATION 0 1 1 2 3 7
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 1 3 3 7
FUJI ELECTRIC DEVICE TECHNOLOGY CO., LTD. 2 0 3 1 0 6
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 3 2 0 1 0 6
APPLE, INC. 1 0 0 3 1 5
DAI NIPPON PRINTING CO. LTD 0 0 2 2 1 5
DELL PRODUCTS, L.P. 0 1 1 1 2 5
GRANDIS, INC. 2 2 1 0 0 5
LENOVO (SINGAPORE) PTE LTD 1 1 2 1 0 5
SAINT-GOBAIN PERFORMANCE PLASTICS RENCOL LIMITED 0 0 1 2 2 5
SEIKO INSTRUMENTS INC. 0 1 1 2 1 5



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Electronic Information Products Division - PTMT
P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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