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

Patenting In Technology Classes,
Breakout By Organization

Count of 2010 - 2014 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 2010 2011 2012 2013 2014 Total
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. 196 194 212 156 181 939
SEAGATE TECHNOLOGY, LLC 106 86 80 78 165 515
WESTERN DIGITAL TECHNOLOGIES, INC. 48 55 68 73 152 396
TDK CORPORATION 107 134 62 36 21 360
INTERNATIONAL BUSINESS MACHINES CORPORATION 57 85 66 59 92 359
TOSHIBA CORPORATION 46 46 80 54 92 318
MARVELL INTERNATIONAL LTD. 41 57 48 34 58 238
HEADWAY TECHNOLOGIES, INC. 25 41 43 52 33 194
LSI CORPORATION 0 17 16 19 127 179
SAMSUNG ELECTRONICS CO., LTD. 63 69 19 1 0 152
WESTERN DIGITAL (FREMONT), LLC 12 15 27 39 44 137
SAE MAGNETICS (H.K.) LTD. 27 27 23 13 12 102
TOSHIBA STORAGE DEVICE CORPORATION 60 29 11 0 0 100
NHK SPRING CO., LTD. 12 8 34 17 14 85
NIDEC CORPORATION 0 1 15 25 38 79
HITACHI, LTD 5 9 13 10 21 58
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 5 8 9 15 16 53
FUJITSU LIMITED 7 5 14 5 13 44
HUTCHINSON TECHNOLOGY INC. 12 7 7 3 15 44
MAGNECOMP CORP. 9 8 11 10 5 43
SEAGATE TECHNOLOGY INTERNATIONAL 0 0 30 7 2 39
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 2 11 25 38
~INDIVIDUALLY OWNED PATENT 16 5 12 4 1 38
TEXAS INSTRUMENTS, INCORPORATED 10 4 10 5 7 36
SAMSUNG ELECTRO-MECHANICS JAPAN ADVANCED TECHNOLOGY CO., LTD. 0 0 0 12 22 34
AGERE SYSTENS LLC 13 4 6 5 2 30
SUNCALL CORPORATION 0 3 9 14 1 27
FUJIFILM CORPORATION 8 8 4 3 3 26
ORACLE AMERICA, INC. 4 11 6 1 3 25
QUANTUM CORP. (CA) 10 3 4 1 7 25
NITTO DENKO CORPORATION 1 3 6 7 7 24
PANASONIC CORPORATION 10 7 4 1 1 23
HITACHI MAXELL, LTD. 5 9 6 2 0 22
HITACHI HIGH-TECHNOLOGIES CORPORATION 2 9 4 3 2 20
ORACLE INTERNATIONAL CORPORATION 1 1 2 3 13 20
SPECTRA LOGIC CORPORATION 3 2 4 4 7 20
BROADCOM CORPORATION 12 3 4 0 0 19
NEC CORPORATION 3 1 4 5 6 19
IMATION CORP. 1 2 2 1 11 17
SHOWA DENKO KABUSHIKI KAISHA 3 3 5 1 5 17
SONY CORPORATION 4 1 6 2 4 17
WD MEDIA, INC. 3 4 4 3 3 17
ALPHANA TECHNOLOGY CO., LTD. 0 0 8 7 0 15
ADVANCED RESEARCH CORPORATION 4 5 1 3 1 14
XYRATEX TECHNOLOGY LIMITED 4 2 4 3 1 14
DAI NIPPON PRINTING CO. LTD 0 2 2 1 8 13
HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD. 6 4 2 1 0 13
STMICROELECTRONICS, INC. 5 2 0 3 2 12
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH 0 0 0 1 9 10
ALPS ELECTRIC CO., LTD. 2 6 2 0 0 10
FUJI ELECTRIC CO., LTD. 0 0 4 4 2 10
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 1 3 3 3 10
WINVIEW, INC. 0 0 1 0 9 10
MARVELL WORLD TRADE LTD. 2 3 1 2 1 9
SK HYNIX MEMORY SOLUTIONS INC. 0 0 0 3 6 9
DELL PRODUCTS, L.P. 1 1 1 2 3 8
SEIKO INSTRUMENTS INC. 1 1 2 1 3 8
LINK--A--MEDIA DEVICES CORPORATION 1 1 4 1 0 7
MAXTOR CORPORATION 5 2 0 0 0 7
NEC EMBEDDED PRODUCTS, LTD. 0 0 3 1 3 7
ROHM CO., LTD. 2 2 0 0 3 7
SUN MICROSYSTEMS, INC. 7 0 0 0 0 7
WD MEDIA (SINGAPORE) PTE. LTD. 0 1 0 2 4 7
INTRI-PLEX TECHNOLOGIES, INC. 0 2 1 1 2 6
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 2 0 1 0 3 6
AMAZON TECHNOLOGIES, INC. 0 0 0 1 4 5
CANON ANELVA CORPORATION 2 0 2 0 1 5
SAINT-GOBAIN PERFORMANCE PLASTICS RENCOL LIMITED 0 1 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/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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