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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 349, Liquid Crystal Cells, Elements and Systems

( 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 2001 2002 2003 2004 2005 Total
LG. PHILIPS LCD CO., LTD. 21 59 114 159 183 536
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 69 63 55 44 60 291
HITACHI, LTD 33 45 56 67 49 250
SEIKO EPSON CORPORATION 25 17 45 65 76 228
SAMSUNG ELECTRONICS CO., LTD. 26 14 43 50 71 204
NEC CORPORATION 36 47 37 12 14 146
NEC LCD TECHNOLOGIES, LTD. 0 0 24 44 53 121
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 27 22 19 19 20 107
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 20 20 26 22 13 101
INTERNATIONAL BUSINESS MACHINES CORPORATION 22 11 34 22 8 97
TOSHIBA CORPORATION 14 19 16 23 16 88
NITTO DENKO CORPORATION 3 7 12 27 23 72
FUJITSU DISPLAY TECHNOLOGIES CORPORATION 0 0 14 18 36 68
SONY CORPORATION 10 13 17 20 7 67
CANON KABUSHIKI KAISHA 26 13 9 13 5 66
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 8 13 26 11 58
~Individually Owned Patent 12 9 12 11 12 56
CITIZEN WATCH CO., LTD. 8 6 16 14 7 51
ALPS ELECTRIC CO., LTD. 11 6 7 14 9 47
FUJI PHOTO FILM CO., LTD 2 7 11 15 12 47
HANNSTAR DISPLAY CORP. 0 1 6 22 17 46
SANYO ELECTRIC CO., LTD. 12 8 13 8 2 43
EASTMAN KODAK COMPANY 3 4 8 11 15 41
FUJITSU LIMITED 9 11 13 4 4 41
MINOLTA CAMERA CO., LTD. 9 7 10 6 4 36
REVEO, INC. 3 5 11 9 8 36
DAI NIPPON PRINTING CO. LTD 4 4 6 13 8 35
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 7 7 6 7 8 35
AU OPTRONICS CORP. 0 3 3 5 23 34
LG ELECTRONICS INC. 16 5 5 5 3 34
BOE-HYDIS TECHNOLOGY CO, LTD. 0 0 7 12 12 31
CHI MEI OPTOELECTRONICS CORP. 0 4 4 14 9 31
ADVANCED DISPLAY INC. 2 3 5 8 7 25
HYUNDAI DISPLAY TECHNOLOGY INC. 0 22 3 0 0 25
MITSUBISHI DENKI KABUSHIKI KAISHA 6 10 2 3 2 23
CASIO COMPUTER CO. LTD. 4 4 4 6 3 21
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 19 1 0 1 0 21
KABUSHIKI KAISHA ADVANCED DISPLAY 3 8 3 3 2 19
RAINBOW DISPLAYS INC. 5 4 7 2 0 18
NATIONAL SEMICONDUCTOR CORPORATION 2 11 2 1 1 17
ROLIC AG 3 2 5 5 2 17
INTEL CORPORATION 4 3 1 2 6 16
TOPPOLY OPTOELECTRONICS CORP. 0 0 0 8 8 16
ROHM COMPANY LIMITED 3 4 4 3 0 14
3M INNOVATIVE PROPERTIES COMPANY 1 0 6 1 5 13
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 2 3 1 2 4 12
MOTOROLA, INC. 3 1 3 1 3 11
U.S. PHILIPS CORPORATION 7 4 0 0 0 11
HITACHI DISPLAYS, LTD. 0 0 0 2 8 10
KENT STATE UNIVERSITY 1 1 2 1 5 10
SEIKO INSTRUMENTS INC. 4 0 1 2 3 10
COLORLINK, INC. 2 2 2 2 1 9
ENPLAS CORPORATION 1 2 1 3 2 9
SAMSUNG SDI CO., LTD. 1 2 1 3 2 9
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 4 4 8
OMRON CORPORATION 0 0 1 3 4 8
OPTREX CORPORATION 0 2 1 3 2 8
RICOH COMPANY, LTD. 5 2 0 1 0 8
ROCKWELL COLLINS, INC. 2 2 1 2 1 8
SUMITOMO CHEMICAL COMPANY, LIMITED 4 0 2 1 1 8
FUJI XEROX CO., LTD. 0 1 3 2 1 7
MANNESMANN VDO AG 1 1 2 3 0 7
VICTOR COMPANY OF JAPAN, LIMITED 1 1 2 2 1 7
WINTEK CORPORATION 0 1 1 3 2 7
AGILENT TECHNOLOGIES, INC. 0 1 1 4 0 6
ASULAB S.A. 0 1 3 1 1 6
HONEYWELL INTERNATIONAL INC. 1 1 3 0 1 6
KOPIN CORPORATION 1 1 2 0 2 6
KYOCERA CORPORATION 0 2 3 1 0 6
OLYMPUS OPTICAL CO., LTD. 1 3 0 1 1 6
QINETIQ LIMITED 0 1 2 2 1 6
SAMSUNG DISPLAY DEVICES CO., LTD. 4 2 0 0 0 6
THREE-FIVE SYSTEMS, INC. 2 1 2 1 0 6
ALIEN TECHNOLOGY CORPORATION 0 0 1 2 2 5
AURORA SYSTEMS, INC. 1 0 1 2 1 5
CHUNGHWA PICTURE TUBES, LTD. 0 0 0 0 5 5
CITIZEN ELECTRONICS CO., LTD. 0 0 0 4 1 5
DAICEL CHEMICAL INDUSTRIES LTD. 0 0 1 1 3 5
DUKE UNIVERSITY 3 1 0 1 0 5
FUJINON CORPORATION (FORMERLY FUJI PHOTO OPTICAL CO. LTD.) 2 1 1 1 0 5
HEWLETT-PACKARD COMPANY 1 2 2 0 0 5
NOKIA MOBILE PHONES LTD. 1 1 2 1 0 5
OIS OPTICAL IMAGING SYSTEMS, INC. 5 0 0 0 0 5
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 5 0 0 0 0 5
SHARP LABORATORIES OF AMERICA, INC. 0 2 0 2 1 5
THE HONG KONG UNIVERSITY OF SCIENCE & TECHNOLOGY 0 0 1 3 1 5
TORAY INDUSTRIES INC. 1 0 1 0 3 5


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

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