Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports
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 )
First-Named Assignee | 2011 | 2012 | 2013 | 2014 | 2015 | Total |
---|---|---|---|---|---|---|
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. | 194 | 212 | 156 | 181 | 156 | 899 |
SEAGATE TECHNOLOGY, LLC | 86 | 80 | 78 | 165 | 180 | 589 |
WESTERN DIGITAL TECHNOLOGIES, INC. | 55 | 68 | 73 | 152 | 149 | 497 |
INTERNATIONAL BUSINESS MACHINES CORPORATION | 85 | 66 | 59 | 92 | 109 | 411 |
TOSHIBA CORPORATION | 46 | 80 | 54 | 92 | 84 | 356 |
TDK CORPORATION | 134 | 62 | 36 | 21 | 9 | 262 |
MARVELL INTERNATIONAL LTD. | 57 | 48 | 34 | 58 | 35 | 232 |
LSI CORPORATION | 17 | 16 | 19 | 127 | 35 | 214 |
HEADWAY TECHNOLOGIES, INC. | 41 | 43 | 52 | 33 | 15 | 184 |
WESTERN DIGITAL (FREMONT), LLC | 15 | 27 | 39 | 44 | 48 | 173 |
NIDEC CORPORATION | 1 | 15 | 25 | 38 | 18 | 97 |
SAMSUNG ELECTRONICS CO., LTD. | 69 | 19 | 1 | 0 | 0 | 89 |
NHK SPRING CO., LTD. | 8 | 34 | 17 | 14 | 13 | 86 |
SAE MAGNETICS (H.K.) LTD. | 27 | 23 | 13 | 12 | 9 | 84 |
HITACHI, LTD | 9 | 13 | 10 | 21 | 9 | 62 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. | 8 | 9 | 15 | 16 | 5 | 53 |
MAGNECOMP CORP. | 8 | 11 | 10 | 5 | 16 | 50 |
SAMSUNG ELECTRO-MECHANICS JAPAN ADVANCED TECHNOLOGY CO., LTD. | 0 | 0 | 12 | 22 | 15 | 49 |
FUJITSU LIMITED | 5 | 14 | 5 | 13 | 7 | 44 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. | 0 | 2 | 11 | 25 | 5 | 43 |
HUTCHINSON TECHNOLOGY INC. | 7 | 7 | 3 | 15 | 10 | 42 |
TOSHIBA STORAGE DEVICE CORPORATION | 29 | 11 | 0 | 0 | 0 | 40 |
SEAGATE TECHNOLOGY INTERNATIONAL | 0 | 30 | 7 | 2 | 0 | 39 |
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. | 0 | 0 | 0 | 1 | 34 | 35 |
ORACLE INTERNATIONAL CORPORATION | 1 | 2 | 3 | 13 | 16 | 35 |
TEXAS INSTRUMENTS, INCORPORATED | 4 | 10 | 5 | 7 | 2 | 28 |
NITTO DENKO CORPORATION | 3 | 6 | 7 | 7 | 4 | 27 |
SUNCALL CORPORATION | 3 | 9 | 14 | 1 | 0 | 27 |
~INDIVIDUALLY OWNED PATENT | 5 | 12 | 4 | 1 | 5 | 27 |
WD MEDIA, INC. | 4 | 4 | 3 | 3 | 8 | 22 |
FUJIFILM CORPORATION | 8 | 4 | 3 | 3 | 3 | 21 |
ORACLE AMERICA, INC. | 11 | 6 | 1 | 3 | 0 | 21 |
SPECTRA LOGIC CORPORATION | 2 | 4 | 4 | 7 | 2 | 19 |
HITACHI HIGH-TECHNOLOGIES CORPORATION | 9 | 4 | 3 | 2 | 0 | 18 |
QUANTUM CORP. (CA) | 3 | 4 | 1 | 7 | 3 | 18 |
SHOWA DENKO KABUSHIKI KAISHA | 3 | 5 | 1 | 5 | 4 | 18 |
AGERE SYSTEMS INC. | 4 | 6 | 5 | 2 | 0 | 17 |
HITACHI MAXELL, LTD. | 9 | 6 | 2 | 0 | 0 | 17 |
IMATION CORP. | 2 | 2 | 1 | 11 | 1 | 17 |
NEC CORPORATION | 1 | 4 | 5 | 6 | 1 | 17 |
ALPHANA TECHNOLOGY CO., LTD. | 0 | 8 | 7 | 0 | 0 | 15 |
DAI NIPPON PRINTING CO. LTD | 2 | 2 | 1 | 8 | 2 | 15 |
ROHM CO., LTD. | 2 | 0 | 0 | 3 | 9 | 14 |
SONY CORPORATION | 1 | 6 | 2 | 4 | 1 | 14 |
PANASONIC CORPORATION | 7 | 4 | 1 | 1 | 0 | 13 |
DELL PRODUCTS, L.P. | 1 | 1 | 2 | 3 | 5 | 12 |
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH | 0 | 0 | 1 | 9 | 1 | 11 |
MARVELL WORLD TRADE LTD. | 3 | 1 | 2 | 1 | 4 | 11 |
SK HYNIX MEMORY SOLUTIONS INC. | 0 | 0 | 3 | 6 | 2 | 11 |
ADVANCED RESEARCH CORPORATION | 5 | 1 | 3 | 1 | 0 | 10 |
FUJI ELECTRIC CO., LTD. | 0 | 4 | 4 | 2 | 0 | 10 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) | 1 | 3 | 3 | 3 | 0 | 10 |
WINVIEW, INC. | 0 | 1 | 0 | 9 | 0 | 10 |
XYRATEX TECHNOLOGY LIMITED | 2 | 4 | 3 | 1 | 0 | 10 |
AMAZON TECHNOLOGIES, INC. | 0 | 0 | 1 | 4 | 4 | 9 |
ALPS ELECTRIC CO., LTD. | 6 | 2 | 0 | 0 | 0 | 8 |
INTRI-PLEX TECHNOLOGIES, INC. | 2 | 1 | 1 | 2 | 2 | 8 |
SEIKO INSTRUMENTS INC. | 1 | 2 | 1 | 3 | 1 | 8 |
STMICROELECTRONICS, INC. | 2 | 0 | 3 | 2 | 1 | 8 |
WD MEDIA (SINGAPORE) PTE. LTD. | 1 | 0 | 2 | 4 | 1 | 8 |
BROADCOM CORPORATION | 3 | 4 | 0 | 0 | 0 | 7 |
HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD. | 4 | 2 | 1 | 0 | 0 | 7 |
NEC EMBEDDED PRODUCTS, LTD. | 0 | 3 | 1 | 3 | 0 | 7 |
GLOBALFOUNDRIES INC. | 0 | 0 | 0 | 0 | 6 | 6 |
LINK--A--MEDIA DEVICES CORPORATION | 1 | 4 | 1 | 0 | 0 | 6 |
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) | 0 | 1 | 0 | 3 | 2 | 6 |
SAINT-GOBAIN PERFORMANCE PLASTICS RENCOL LIMITED | 1 | 2 | 2 | 0 | 1 | 6 |
APPLE, INC. | 0 | 3 | 1 | 0 | 1 | 5 |
ENTROTECH, INC. | 0 | 0 | 3 | 1 | 1 | 5 |
GUZIK TECHNICAL ENTERPRISES | 1 | 1 | 1 | 1 | 1 | 5 |
Questions regarding these reports should be directed to:
U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.govaddress 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/
Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports