PROFILE OF COMPANIES FROM PI & T REPORT
            Distribution of Patents by Rank for May 2000

 Pats  Rank  Company Name

    9    1   CISCO TECHNOLOGY INC
    9    1   KOITO MANUFACTURING CO LTD JP
    9    1   TEXAS INSTRUMENTS-ACER INC TW
    8    2   ADAPTEC INC
    8    2   BERG TECHNOLOGY INC
    8    2   INA WALZLAGER SCHAEFFLER OHG DE
    8    2   MANNESMANN SACHS AG DE
    8    2   SCHERING AG DE
    7    3   BORG-WARNER AUTOMOTIVE INC
    7    3   DAIKIN KOGYO CO LTD JP
    7    3   GLAXO WELLCOME INC
    7    3   QUANTUM CORP
    6    4   CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD SG
    6    4   DUKE UNIVERSITY
    6    4   PENN STATE RESEARCH FOUNDATION THE
    6    4   SCRIPPS RESEARCH INSTITUTE THE
    5    5   AMERICAN HOME PRODUCTS CORP
    5    5   ATLANTIC RICHFIELD CO
    5    5   DEGUSSA DE
    5    5   HARVARD COLLEGE, PRESIDENT & FELLOWS OF
    5    5   INTERMEC IP CORP
    5    5   KOREA TELECOM KR
    5    5   LAM RESEARCH CORP
    5    5   MITSUI MINING & SMELTING CO LTD JP
    5    5   MITSUMI ELECTRIC CO LTD JP
    5    5   RELIANCE ELECTRIC INDUSTRIAL CO
    5    5   SANDEN CORP JP
    5    5   WACKER-CHEMIE GMBH DE
    4    6   ALBEMARLE CORP
    4    6   ALCON LABORATORIES INC
    4    6   BETZDEARBORN INC
    4    6   DEUTSCHE THOMSON-BRANDT GMBH DE
    4    6   DSM N V NL
    4    6   ENGELHARD CORP
    4    6   HUBBELL INC
    4    6   IMPERIAL CHEMICAL INDUSTRIES LTD GB
    4    6   MARYLAND, UNIVERSITY OF
    4    6   RISO KAGAKU CORP JP
    4    6   SENSORMATIC ELECTRONICS CORP
    4    6   SMS SCHLOEMANN-SIEMAG AG DE
    4    6   VOLKSWAGENWERK AG DE
    3    7   AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
    3    7   AMGEN INC
    3    7   BOC GROUP INC THE
    3    7   CHISSO CORP JP
    3    7   DRESSER INDUSTRIES INC
    3    7   EP TECHNOLOGIES INC
    3    7   FANUC LTD JP
    3    7   FRANCE TELECOM S A FR
    3    7   GAS RESEARCH INSTITUTE
    3    7   HITACHI MAXELL LTD JP
    3    7   IDEMITSU KOSAN CO LTD JP
    3    7   IOMEGA CORP
    3    7   IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
    3    7   JOHNSON, S C & SON INC
    3    7   MAYTAG CORP
    3    7   NATIONALE D'ETUDE ET DE CONSTR DE MOTEURS D'AVIATION FR
    3    7   NEW HOLLAND NORTH AMERICA INC
    3    7   NOVARTIS FINANCE CORP
    3    7   NTN CORP JP
    3    7   PACESETTER INC
    3    7   SCHNEIDER ELECTRIC S A FR
    3    7   SIEMENS WESTINGHOUSE POWER CORP
    3    7   SMC CORP JP
    3    7   SQUARE D CO
    3    7   TOPCON K K JP
    3    7   U S WEST INC
    2    8   BAYERISCHE MOTOREN WERKE AG DE
    2    8   ELECTRONIC DATA SYSTEMS CORP
    2    8   HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO K K JP
    2    8   JOHNSON & JOHNSON PROFESSIONAL INC
    2    8   NATIONAL RESEARCH COUNCIL OF CANADA CA
    2    8   PITTSBURGH, UNIVERSITY OF
    2    8   SHOWA DENKO K K JP
    2    8   SUZUKI JIDOSHA KOGYO K K JP
    2    8   TOSHIBA KIKAI K K JP
               End of List