PROFILE OF COMPANIES FROM PI & T REPORT
          Distribution of Patents by Company Name for Jan-May 2000

 Pats  Rank  Company Name

   19   11   ADAPTEC INC
   11   19   AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
   13   17   ALBEMARLE CORP
   17   13   ALCON LABORATORIES INC
   15   15   AMERICAN HOME PRODUCTS CORP
   18   12   AMGEN INC
    5   25   AT&T WIRELESS SERVICES INC
   16   14   ATLANTIC RICHFIELD CO

   20   10   BAYERISCHE MOTOREN WERKE AG DE
   24    6   BERG TECHNOLOGY INC
   10   20   BETZDEARBORN INC
   13   17   BOC GROUP INC THE
    6   24   BOEHRINGER MANNHEIM GMBH DE
   11   19   BORG-WARNER AUTOMOTIVE INC

   25    5   CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD SG
   17   13   CHISSO CORP JP
   30    3   CISCO TECHNOLOGY INC

   23    7   DAIKIN KOGYO CO LTD JP
   10   20   DEGUSSA DE
   21    9   DEKALB GENETICS CORP
   20   10   DEUTSCHE FORSCHUNGSANSTALT FUR LUFT- UND RAUMFAHRT E V DE
   14   16   DEUTSCHE THOMSON-BRANDT GMBH DE
   15   15   DRESSER INDUSTRIES INC
   31    2   DSM N V NL
   18   12   DUKE UNIVERSITY

   12   18   ELECTRONIC DATA SYSTEMS CORP
   20   10   ENGELHARD CORP
   16   14   EP TECHNOLOGIES INC

   15   15   FANUC LTD JP
    6   24   FICHTEL & SACHS AG DE
   15   15   FRANCE TELECOM S A FR

   13   17   GAS RESEARCH INSTITUTE
   20   10   GLAXO WELLCOME INC

   19   11   HARVARD COLLEGE, PRESIDENT & FELLOWS OF
    5   25   HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO K K JP
   10   20   HITACHI CHEMICAL CO LTD JP
   10   20   HITACHI MAXELL LTD JP
   14   16   HUBBELL INC

   15   15   IDEMITSU KOSAN CO LTD JP
   21    9   IMPERIAL CHEMICAL INDUSTRIES LTD GB
   21    9   INA WALZLAGER SCHAEFFLER OHG DE
   30    3   INTERMEC IP CORP
   16   14   IOMEGA CORP
   13   17   IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC

   11   19   JOHNSON & JOHNSON PROFESSIONAL INC
   11   19   JOHNSON, S C & SON INC

   29    4   KOITO MANUFACTURING CO LTD JP
    8   22   KOKUSAI DENSHIN DENWA K K JP
   16   14   KOREA TELECOM KR

   30    3   LAM RESEARCH CORP

   38    1   MANNESMANN SACHS AG DE
   12   18   MARYLAND, UNIVERSITY OF
    7   23   MASSACHUSETTS, UNIVERSITY OF
   11   19   MAYTAG CORP
    9   21   MITSUI MINING & SMELTING CO LTD JP
   19   11   MITSUMI ELECTRIC CO LTD JP
   13   17   MORTON INTERNATIONAL INC

   11   19   NATIONAL RESEARCH COUNCIL OF CANADA CA
   14   16   NATIONALE D'ETUDE ET DE CONSTR DE MOTEURS D'AVIATION FR
   15   15   NEW HOLLAND NORTH AMERICA INC
   20   10   NITTO DENKO CORP JP
   15   15   NOVARTIS FINANCE CORP
   20   10   NTN CORP JP

    9   21   PACESETTER INC
   13   17   PENN STATE RESEARCH FOUNDATION THE
   15   15   PITTSBURGH, UNIVERSITY OF
   12   18   PLANCK-GESELL, MAX- ZUR FORDERUNG DER WISSENSCHAFTEN DE
   16   14   PORSCHE, DR ING H C F AG DE

   17   13   QUANTUM CORP

    7   23   READ-RITE CORP
   18   12   RELIANCE ELECTRIC INDUSTRIAL CO
    6   24   RHONE-POULENC CHIMIE FR
   16   14   RISO KAGAKU CORP JP

   22    8   SANDEN CORP JP
   31    2   SCHERING AG DE
   12   18   SCHNEIDER ELECTRIC S A FR
   16   14   SCRIPPS RESEARCH INSTITUTE THE
   11   19   SEGA ENTERPRISES LTD JP
   14   16   SENSORMATIC ELECTRONICS CORP
   18   12   SHOWA DENKO K K JP
   12   18   SIEMENS WESTINGHOUSE POWER CORP
   13   17   SMC CORP JP
   24    6   SMS SCHLOEMANN-SIEMAG AG DE
    8   22   SQUARE D CO
   22    8   SUZUKI JIDOSHA KOGYO K K JP

   22    8   TEXAS INSTRUMENTS-ACER INC TW
   11   19   THOMSON MULTIMEDIA S A FR
   15   15   TOPCON K K JP
   13   17   TOSHIBA KIKAI K K JP

   16   14   U S WEST INC

   14   16   VOLKSWAGENWERK AG DE

   23    7   WACKER-CHEMIE GMBH DE

   10   20   YEDA RESEARCH & DEVELOPMENT CO LTD IL