~Individually Owned Patent |
27 |
29 |
24 |
40 |
35 |
155 |
ENGELHARD CORPORATION |
5 |
10 |
6 |
7 |
11 |
39 |
E. I. DU PONT DE NEMOURS AND COMPANY |
7 |
9 |
1 |
8 |
3 |
28 |
INSTITUT FRANCAIS DU PETROLE |
5 |
3 |
9 |
6 |
5 |
28 |
CHEVRON U.S.A. INC. |
6 |
4 |
6 |
3 |
8 |
27 |
BASF AKTIENGESELLSCHAFT |
2 |
4 |
10 |
7 |
3 |
26 |
UOP |
3 |
10 |
4 |
4 |
5 |
26 |
FORD GLOBAL TECHNOLOGIES, INC. |
7 |
5 |
7 |
3 |
2 |
24 |
DEGUSSA-HUELS AKTIENGESELLSCHAFT |
0 |
2 |
9 |
4 |
7 |
22 |
TOYOTA JIDOSHA K.K. |
5 |
7 |
5 |
0 |
5 |
22 |
AIR PRODUCTS AND CHEMICALS, INC. |
0 |
5 |
6 |
6 |
2 |
19 |
DEGUSSA AKTIENGESELLSCHAFT |
4 |
2 |
3 |
3 |
6 |
18 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
6 |
4 |
5 |
3 |
0 |
18 |
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY |
4 |
3 |
3 |
6 |
1 |
17 |
FMC CORPORATION |
3 |
3 |
3 |
4 |
4 |
17 |
BAYER AKTIENGESELLSCHAFT |
2 |
3 |
4 |
2 |
5 |
16 |
HALDOR TOPSOE A/S |
1 |
3 |
5 |
2 |
5 |
16 |
RHONE-POULENC CHIMIE |
5 |
7 |
1 |
2 |
1 |
16 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
0 |
5 |
5 |
2 |
4 |
16 |
CABOT CORPORATION |
0 |
2 |
4 |
2 |
7 |
15 |
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
0 |
6 |
3 |
4 |
1 |
14 |
MITSUBISHI HEAVY INDUSTRIES CO., LTD. |
1 |
3 |
2 |
3 |
5 |
14 |
MOBIL OIL CORP. |
6 |
3 |
5 |
0 |
0 |
14 |
NATIONAL SCIENCE COUNCIL |
2 |
2 |
3 |
3 |
4 |
14 |
PRAXAIR TECHNOLOGY, INC. |
0 |
1 |
6 |
4 |
3 |
14 |
BOC GROUP, INC. |
1 |
3 |
4 |
2 |
3 |
13 |
SHOWA DENKO KABUSHIKI KAISHA |
3 |
0 |
3 |
3 |
4 |
13 |
METALLGESELLSCHAFT AKTIENGESELLSCHAFT |
3 |
2 |
3 |
2 |
2 |
12 |
MICHIGAN STATE UNIVERSITY |
6 |
2 |
2 |
1 |
1 |
12 |
ALLIED-SIGNAL INC. |
1 |
4 |
1 |
4 |
1 |
11 |
EXXON CHEMICALS PATENTS INC. |
3 |
4 |
3 |
1 |
0 |
11 |
EXXON RESEARCH + ENGINEERING CO. |
0 |
4 |
6 |
1 |
0 |
11 |
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO |
4 |
5 |
0 |
1 |
1 |
11 |
RHODIA CHIMIE |
0 |
1 |
1 |
2 |
7 |
11 |
GOLDENDALE ALUMINUM COMPANY |
1 |
1 |
1 |
6 |
1 |
10 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
2 |
2 |
1 |
3 |
2 |
10 |
MITSUBISHI GAS-CHEMICAL COMPANY, INC. |
4 |
3 |
2 |
1 |
0 |
10 |
SIEMENS AKTIENGESELLSCHAFT |
2 |
0 |
1 |
2 |
5 |
10 |
TOSOH CORPORATION |
1 |
2 |
3 |
3 |
1 |
10 |
AKZO NOBEL NV |
1 |
1 |
1 |
3 |
3 |
9 |
BRITISH NUCLEAR FUELS PLC |
4 |
0 |
1 |
0 |
4 |
9 |
GAS RESEARCH INSTITUTE |
3 |
3 |
2 |
1 |
0 |
9 |
HENKEL CORPORATION |
1 |
3 |
2 |
3 |
0 |
9 |
INTEVEP, S.A. |
3 |
1 |
2 |
1 |
2 |
9 |
MITSUBISHI CHEMICAL CORPORATION |
2 |
1 |
4 |
1 |
1 |
9 |
XCELLSIS GMBH |
0 |
0 |
0 |
6 |
3 |
9 |
ALUMINUM COMPANY OF AMERICA |
6 |
2 |
0 |
0 |
0 |
8 |
BATTELLE MEMORIAL INSTITUTE |
3 |
1 |
1 |
2 |
1 |
8 |
COMMISSARIAT A L'ENERGIE ATOMIQUE |
1 |
2 |
1 |
3 |
1 |
8 |
CORNING INCORPORATED |
0 |
3 |
1 |
3 |
1 |
8 |
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
0 |
2 |
1 |
1 |
4 |
8 |
ELF ATOCHEM S.A. |
0 |
2 |
2 |
2 |
2 |
8 |
HOECHST AKTIENGESELLSCHAFT |
5 |
2 |
1 |
0 |
0 |
8 |
MITSUBISHI JUKOGYO KABUSHIKI KAISHA |
4 |
2 |
2 |
0 |
0 |
8 |
SHIN-ETSU HANDOTAI CO., LTD. |
0 |
0 |
3 |
3 |
2 |
8 |
THE BOC GROUP PLC |
0 |
2 |
1 |
1 |
4 |
8 |
ASEC MANUFACTURING, A GENERAL PARTNERSHIP |
2 |
3 |
0 |
2 |
0 |
7 |
COMINCO ENGINEERING SERVICES LTD. |
0 |
3 |
1 |
1 |
2 |
7 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
0 |
1 |
3 |
2 |
1 |
7 |
DOW CHEMICAL COMPANY |
2 |
0 |
4 |
1 |
0 |
7 |
DOWA MINING CO., LTD. |
0 |
0 |
3 |
3 |
1 |
7 |
GENERAL ELECTRIC COMPANY |
2 |
2 |
1 |
1 |
1 |
7 |
HERMANN C. STARCK GMBH & CO. KG |
0 |
5 |
1 |
0 |
1 |
7 |
HITACHI, LTD |
2 |
0 |
3 |
1 |
1 |
7 |
KANSAI ELECTRIC POWER CO. INC. |
3 |
0 |
2 |
1 |
1 |
7 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
1 |
0 |
1 |
3 |
2 |
7 |
NALCO CHEMICAL COMPANY |
4 |
1 |
0 |
0 |
2 |
7 |
SOLVAY FLUOR UND DERIVATE GMBH |
0 |
2 |
1 |
2 |
2 |
7 |
STARMET CORPORATION |
0 |
3 |
4 |
0 |
0 |
7 |
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY |
0 |
0 |
0 |
4 |
3 |
7 |
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. |
0 |
2 |
1 |
1 |
2 |
6 |
DAIMLER-BENZ AKTIENGESELLSCHAFT |
1 |
5 |
0 |
0 |
0 |
6 |
ELF EXPLORATION PRODUCTION |
0 |
0 |
3 |
1 |
2 |
6 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY |
0 |
1 |
0 |
1 |
4 |
6 |
KAWASAKI JUKOGYO KABUSHIKI KAISHA |
1 |
1 |
0 |
3 |
1 |
6 |
MARSULEX ENVIRONMENTAL TECHNOLOGIES, LLC |
1 |
0 |
1 |
4 |
0 |
6 |
MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
0 |
2 |
2 |
1 |
1 |
6 |
NANOGRAM CORPORATION |
0 |
1 |
3 |
0 |
2 |
6 |
NIPPON PILLAR PACKING CO. LTD. |
0 |
0 |
3 |
3 |
0 |
6 |
NIPPON SANSO K.K. |
1 |
1 |
1 |
0 |
3 |
6 |
PHILLIPS PETROLEUM COMPANY |
1 |
1 |
0 |
1 |
3 |
6 |
SOLVAY (SOCIETE ANONYME) |
0 |
2 |
0 |
3 |
1 |
6 |
ANDRITZ-PATENTVERWALTUNGS-GESELLSCHAFT M.B.H. |
0 |
2 |
0 |
2 |
1 |
5 |
CLEAN DIESEL TECHNOLOGIES, INC. |
0 |
2 |
1 |
1 |
1 |
5 |
COSMO RESEARCH INSTITUTE |
1 |
2 |
1 |
0 |
1 |
5 |
CYPRUS AMAX MINERALS COMPANY |
2 |
1 |
0 |
1 |
1 |
5 |
CYTEC TECHNOLOGY CORP. |
3 |
1 |
1 |
0 |
0 |
5 |
DOW CORNING CORPORATION |
2 |
0 |
3 |
0 |
0 |
5 |
EASTMAN KODAK COMPANY |
0 |
1 |
2 |
1 |
1 |
5 |
EBARA CORPORATION |
0 |
2 |
1 |
0 |
2 |
5 |
ELECTRIC POWER RESEARCH INSTITUTE, INC. |
1 |
1 |
1 |
1 |
1 |
5 |
ENIRICERCHE S.P.A. |
0 |
4 |
1 |
0 |
0 |
5 |
HYPERION CATALYSIS INTERNATIONAL, INC. |
1 |
0 |
0 |
2 |
2 |
5 |
ICT CO., LTD. |
0 |
1 |
0 |
4 |
0 |
5 |
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY |
0 |
2 |
2 |
0 |
1 |
5 |
MONSANTO COMPANY, INC. |
1 |
3 |
0 |
1 |
0 |
5 |
NGK INSULATORS LTD. |
1 |
0 |
3 |
1 |
0 |
5 |
NIPPON CHEMICAL INDUSTRIAL CO., LTD. |
0 |
2 |
1 |
1 |
1 |
5 |
NIPPON SHOKUBAI CO., LTD. |
1 |
0 |
4 |
0 |
0 |
5 |
NORANDA INC. |
0 |
2 |
0 |
0 |
3 |
5 |
NORSK HYDRO ASA |
0 |
2 |
1 |
0 |
2 |
5 |
OSRAM SYLVANIA INC. |
2 |
0 |
2 |
0 |
1 |
5 |
RIKEN CORPORATION |
5 |
0 |
0 |
0 |
0 |
5 |
SAMSUNG DISPLAY DEVICES CO., LTD. |
1 |
2 |
1 |
1 |
0 |
5 |
SHELL OIL COMPANY |
0 |
0 |
2 |
2 |
1 |
5 |
SHIN ETSU CHEMICAL CO., LTD. |
1 |
3 |
0 |
0 |
1 |
5 |
SUMITOMO METAL MINING COMPANY LIMITED |
2 |
2 |
1 |
0 |
0 |
5 |
UNITED STATES OF AMERICA, NAVY |
0 |
3 |
1 |
1 |
0 |
5 |