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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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 2000 2001 2002 2003 2004 Total
LG. PHILIPS LCD CO., LTD. 4 21 59 114 159 357
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 92 69 63 55 44 323
HITACHI, LTD 27 33 45 58 67 230
NEC CORPORATION 44 36 47 37 12 176
SEIKO EPSON CORPORATION 18 25 17 45 65 170
SAMSUNG ELECTRONICS CO., LTD. 17 26 14 43 50 150
INTERNATIONAL BUSINESS MACHINES CORPORATION 18 22 11 34 22 107
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 18 27 22 19 19 105
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 15 20 20 26 22 103
TOSHIBA CORPORATION 27 14 19 16 23 99
CANON KABUSHIKI KAISHA 32 26 13 9 13 93
SONY CORPORATION 25 10 13 17 20 85
NEC LCD TECHNOLOGIES, LTD. 0 0 0 25 44 69
LG ELECTRONICS INC. 34 16 5 5 5 65
NITTO DENKO CORPORATION 4 3 7 12 27 53
CITIZEN WATCH CO., LTD. 8 8 6 16 14 52
~Individually Owned Patent 7 12 9 12 11 51
SANYO ELECTRIC CO., LTD. 7 12 8 13 8 48
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 8 13 26 47
FUJITSU LIMITED 8 9 11 13 4 45
ALPS ELECTRIC CO., LTD. 6 11 6 7 14 44
FUJI PHOTO FILM CO., LTD 5 2 7 11 15 40
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 11 7 7 6 7 38
DAI NIPPON PRINTING CO. LTD 8 4 4 6 13 35
MINOLTA CAMERA CO., LTD. 3 9 7 10 6 35
MITSUBISHI DENKI KABUSHIKI KAISHA 12 6 10 2 3 33
CASIO COMPUTER CO. LTD. 14 4 4 4 6 32
FUJITSU DISPLAY TECHNOLOGIES CORPORATION 0 0 0 14 18 32
REVEO, INC. 4 3 5 11 9 32
EASTMAN KODAK COMPANY 3 3 4 8 11 29
HANNSTAR DISPLAY CORP. 0 0 1 6 22 29
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 8 19 1 0 1 29
HYUNDAI DISPLAY TECHNOLOGY INC. 0 0 22 3 0 25
CHI MEI OPTOELECTRONICS CORP. 0 0 4 4 14 22
RAINBOW DISPLAYS INC. 3 5 4 7 2 21
ADVANCED DISPLAY INC. 2 2 3 5 8 20
BOE-HYDIS TECHNOLOGY CO, LTD. 0 0 0 7 12 19
KABUSHIKI KAISHA ADVANCED DISPLAY 2 3 8 3 3 19
ROLIC AG 4 3 2 5 5 19
NATIONAL SEMICONDUCTOR CORPORATION 2 2 11 2 1 18
ROHM COMPANY LIMITED 1 3 4 4 3 15
U.S. PHILIPS CORPORATION 4 7 4 0 0 15
3M INNOVATIVE PROPERTIES COMPANY 5 1 0 6 1 13
MOTOROLA, INC. 5 3 1 3 1 13
SAMSUNG DISPLAY DEVICES CO., LTD. 6 4 2 0 0 12
AU OPTRONICS CORP. 0 0 3 3 5 11
COLORLINK, INC. 3 2 2 2 2 11
OIS OPTICAL IMAGING SYSTEMS, INC. 6 5 0 0 0 11
SEIKO INSTRUMENTS INC. 4 4 0 1 2 11
INTEL CORPORATION 0 4 3 1 2 10
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 2 2 3 1 2 10
RICOH COMPANY, LTD. 2 5 2 0 1 10
DISPLAYTECH INCORPORATED 6 2 1 0 0 9
KENT STATE UNIVERSITY 4 1 1 2 1 9
SUMITOMO CHEMICAL COMPANY, LIMITED 2 4 0 2 1 9
ENPLAS CORPORATION 1 1 2 1 3 8
MANNESMANN VDO AG 1 1 1 2 3 8
TOPPOLY OPTOELECTRONICS CORP. 0 0 0 0 8 8
HEWLETT-PACKARD COMPANY 2 1 2 2 0 7
LG LCD, INC. 4 1 2 0 0 7
PHILIPS ELECTRONICS NORTH AMERICA CORP. 3 3 1 0 0 7
ROCKWELL COLLINS, INC. 0 2 2 1 2 7
SAMSUNG SDI CO., LTD. 0 1 2 1 3 7
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 2 5 0 0 0 7
VICTOR COMPANY OF JAPAN, LIMITED 1 1 1 2 2 7
XEROX CORPORATION 5 1 1 0 0 7
AGILENT TECHNOLOGIES, INC. 0 0 1 1 4 6
ASAHI GLASS COMPANY, LTD. 2 2 0 2 0 6
FUJI XEROX CO., LTD. 0 0 1 3 2 6
FUJINON CORPORATION (FORMERLY FUJI PHOTO OPTICAL CO. LTD.) 1 2 1 1 1 6
KYOCERA CORPORATION 0 0 2 3 1 6
NOKIA MOBILE PHONES LTD. 1 1 1 2 1 6
OLYMPUS OPTICAL CO., LTD. 1 1 3 0 1 6
OPTREX CORPORATION 0 0 2 1 3 6
STANLEY ELECTRIC CO., LTD. 2 1 1 1 1 6
THREE-FIVE SYSTEMS, INC. 0 2 1 2 1 6
ASULAB S.A. 0 0 1 3 1 5
CITIZEN ELECTRONICS CO., LTD. 1 0 0 0 4 5
DUKE UNIVERSITY INC. 0 3 1 0 1 5
HONEYWELL INTERNATIONAL INC. 0 1 1 3 0 5
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 1 2 0 0 2 5
NIPPON SHEET GLASS CO., LTD. 2 0 0 0 3 5
OMRON CORPORATION 1 0 0 1 3 5
QINETIQ LIMITED 0 0 1 2 2 5
SHARP LABORATORIES OF AMERICA, INC. 1 0 2 0 2 5
THE HONG KONG UNIVERSITY OF SCIENCE & TECHNOLOGY 1 0 0 1 3 5
WINTEK CORPORATION 0 0 1 1 3 5


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