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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 1998 - 2002 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 1998 1999 2000 2001 2002 Total
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 85 64 92 69 63 373
NEC CORPORATION 26 30 44 36 47 183
HITACHI, LTD 35 21 27 33 45 161
CANON KABUSHIKI KAISHA 47 17 32 26 13 135
LG ELECTRONICS INC. 24 29 34 16 5 108
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 18 22 18 27 22 107
TOSHIBA CORPORATION 20 18 27 14 19 98
SAMSUNG ELECTRONICS CO., LTD. 22 17 17 26 14 96
SEIKO EPSON CORPORATION 9 18 18 25 17 87
INTERNATIONAL BUSINESS MACHINES CORPORATION 21 13 18 22 11 85
LG. PHILIPS LCD CO., LTD. 0 0 4 21 59 84
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 16 13 15 20 20 84
SONY CORPORATION 17 10 25 10 13 75
FUJITSU LIMITED 15 11 8 9 11 54
~Individually Owned Patent 9 7 7 13 9 45
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 2 9 8 19 1 39
U.S. PHILIPS CORPORATION 16 8 4 7 4 39
CASIO COMPUTER CO. LTD. 9 7 14 4 4 38
MITSUBISHI DENKI KABUSHIKI KAISHA 2 5 12 6 10 35
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 6 3 11 7 7 34
SANYO ELECTRIC CO., LTD. 4 3 7 12 8 34
CITIZEN WATCH CO., LTD. 6 5 8 8 6 33
ALPS ELECTRIC CO., LTD. 5 3 6 11 6 31
OIS OPTICAL IMAGING SYSTEMS, INC. 7 10 6 5 0 28
MOTOROLA, INC. 12 4 5 3 1 25
SAMSUNG DISPLAY DEVICES CO., LTD. 6 5 6 4 2 23
DAI NIPPON PRINTING CO. LTD 4 2 8 4 4 22
HYUNDAI DISPLAY TECHNOLOGY INC. 0 0 0 0 22 22
MINOLTA CAMERA CO., LTD. 1 1 3 9 7 21
FUJI PHOTO FILM CO., LTD 3 1 5 2 7 18
NATIONAL SEMICONDUCTOR CORPORATION 0 3 2 2 11 18
RAINBOW DISPLAYS INC. 1 5 3 5 4 18
NITTO DENKO CORPORATION 0 2 4 3 7 16
XEROX CORPORATION 3 6 5 1 1 16
KENT STATE UNIVERSITY 4 5 4 1 1 15
REVEO, INC. 2 1 4 3 5 15
ROLIC AG 5 1 4 3 2 15
KABUSHIKI KAISHA ADVANCED DISPLAY 0 0 2 3 8 13
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 5 1 2 5 0 13
SEIKO INSTRUMENTS INC. 1 4 4 4 0 13
COLORLINK, INC. 0 5 3 2 2 12
EASTMAN KODAK COMPANY 0 2 3 3 4 12
RICOH COMPANY, LTD. 2 1 2 5 2 12
SUMITOMO CHEMICAL COMPANY, LIMITED 2 3 2 4 0 11
STANLEY ELECTRIC CO., LTD. 4 2 2 1 1 10
DISPLAYTECH INCORPORATED 0 0 6 2 1 9
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 2 0 2 2 3 9
ROHM COMPANY LIMITED 1 0 1 3 4 9
ADVANCED DISPLAY INC. 1 0 2 2 3 8
ASAHI GLASS COMPANY, LTD. 1 3 2 2 0 8
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 8 8
LG LCD, INC. 0 1 4 1 2 8
PHILIPS ELECTRONICS NORTH AMERICA CORP. 1 0 3 3 1 8
ROCKWELL INTERNATIONAL CORPORATION 0 7 0 1 0 8
ADVANCED DISPLAY SYSTEMS, INC. 2 3 1 1 0 7
DENSO CORPORATION 1 4 0 1 1 7
FRONTEC INCORPORATED 0 4 2 1 0 7
HONEYWELL INC. 4 1 0 2 0 7
INTEL CORPORATION 0 0 0 4 3 7
NCR CORPORATION 3 0 2 2 0 7
3M INNOVATIVE PROPERTIES COMPANY 0 0 5 1 0 6
FUJI XEROX CO., LTD. 1 4 0 0 1 6
HUGHES ELECTRONICS CORP. 2 2 1 1 0 6
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 2 2 0 1 1 6
OLYMPUS OPTICAL CO., LTD. 1 0 1 1 3 6
PHYSICAL OPTICS CORPORATION 2 1 2 1 0 6
SMARTLIGHT LTD. 3 2 0 1 0 6
CHISSO CORPORATION 1 0 4 0 0 5
CHORUM TECHNOLOGIES INC. 0 1 2 1 1 5
ENPLAS CORPORATION 1 0 1 1 2 5
ERICSSON, INC. 2 1 1 1 0 5
HEWLETT-PACKARD COMPANY 0 0 2 1 2 5
KOPIN CORPORATION 2 1 0 1 1 5
PIONEER ELECTRONIC CORPORATION 1 2 2 0 0 5
ROCKWELL SCIENCE CENTER, LLC 0 3 1 1 0 5
TEKTRONIX INC. 1 2 2 0 0 5
UNIVERSITY TECHNOLOGY CORPORATION 0 1 3 1 0 5


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