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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 Geographic Origin (State and Country)

Count of 1963 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of U.S. States and Countries
From Which 1 or More Utility Patents Originated During the Period
Having Primary Classification In

Class 501, Compositions: Ceramic

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent origin is determined by the residence of the first-named inventor )

The following table displays U.S. states and countries and counts of utility patents originating from them; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
(U.S.) NY NEW YORK 14 13 13 29 28 6 18 25 29 21 21 24 27 24 23 27 9 17 25 20 18 20 19 18 23 26 25 35 38 29 29 37 25 28 22 12 11 16 26 20 16 14 920
(U.S.) PA PENNSYLVANIA 12 14 26 42 20 11 13 12 15 9 6 13 6 8 6 9 7 13 6 6 5 4 14 5 4 13 18 19 23 9 25 16 12 9 8 7 6 6 15 10 9 7 498
(U.S.) OH OHIO 11 6 22 15 16 8 21 17 11 12 7 20 14 15 14 8 6 8 6 10 5 3 5 1 7 3 7 4 11 8 11 8 14 11 10 8 12 9 7 6 3 6 406
(U.S.) CA CALIFORNIA 7 2 4 13 13 8 9 10 6 3 9 8 4 6 4 4 2 4 2 5 4 6 3 4 8 7 9 5 17 15 10 10 4 3 4 6 6 0 4 4 4 2 258
(U.S.) DE DELAWARE 2 1 0 4 2 1 3 2 4 9 5 5 0 0 0 1 0 0 0 0 0 0 0 1 2 1 19 11 25 28 18 16 9 3 3 2 0 1 0 0 0 0 178
(U.S.) NJ NEW JERSEY 4 3 3 10 10 6 5 3 7 3 8 2 7 4 2 0 0 1 0 5 5 2 4 0 4 4 7 5 6 7 7 7 3 5 1 2 7 5 4 3 2 0 173
(U.S.) MI MICHIGAN 2 1 0 5 3 1 3 3 2 1 2 1 1 1 2 3 1 1 1 2 2 4 3 2 3 7 7 10 13 14 10 11 6 7 3 6 6 2 0 3 6 2 163
(U.S.) MA MASSACHUSETTS 1 0 2 1 2 3 1 3 6 4 2 9 5 2 4 4 3 1 1 3 2 5 7 6 0 3 6 9 10 6 3 3 2 14 4 3 4 4 4 2 2 6 162
(U.S.) MD MARYLAND 2 0 0 1 0 2 1 1 5 4 3 6 3 2 0 0 0 1 1 1 3 0 1 1 0 2 1 7 13 4 6 4 2 8 6 2 2 4 1 0 3 2 105
(U.S.) IL ILLINOIS 3 2 4 2 0 1 2 3 4 4 2 5 1 0 1 2 1 4 3 1 0 2 3 1 1 2 0 0 2 5 4 6 6 5 3 3 2 3 1 2 2 2 100
(U.S.) CT CONNECTICUT 1 1 0 0 0 1 2 4 1 1 4 3 2 7 0 4 1 1 2 1 4 1 0 1 0 4 3 1 1 2 0 0 0 0 1 1 0 0 1 1 1 1 59
(U.S.) MN MINNESOTA 0 0 0 0 0 3 0 1 1 0 2 2 1 0 1 2 1 0 0 0 0 0 0 0 0 3 4 6 2 5 6 3 0 0 1 0 1 0 1 3 2 1 52
(U.S.) GA GEORGIA 1 0 0 0 1 0 0 2 1 0 3 1 0 3 0 1 4 0 0 0 0 0 1 1 0 1 2 2 3 5 1 2 5 3 1 3 0 2 0 0 0 0 49
(U.S.) TX TEXAS 0 2 0 0 2 2 3 2 0 0 1 1 1 0 0 0 0 0 0 0 1 3 1 1 0 1 4 4 1 1 4 2 0 1 0 2 0 0 2 0 0 1 43
(U.S.) TN TENNESSEE 0 0 1 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 1 0 3 1 1 0 2 1 6 3 6 1 0 3 0 1 1 0 0 2 0 0 0 1 39
(U.S.) FL FLORIDA 1 0 1 0 0 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 3 0 0 1 2 2 0 2 2 5 0 2 0 1 0 3 3 1 2 1 37
(U.S.) CO COLORADO 0 0 0 1 1 0 0 1 1 0 0 0 0 2 2 2 1 0 1 0 0 0 0 1 0 0 0 1 3 2 4 1 1 0 0 1 3 1 2 1 1 2 36
(U.S.) MO MISSOURI 0 0 1 4 3 1 5 0 1 0 1 0 0 2 1 0 1 1 1 1 0 1 0 0 0 1 1 2 2 1 0 1 1 0 0 0 0 0 0 0 0 0 33
(U.S.) NM NEW MEXICO 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 0 0 0 0 1 0 0 0 2 4 1 2 0 2 0 2 3 5 2 2 1 1 0 33
(U.S.) VA VIRGINIA 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 2 0 0 2 0 1 1 0 0 1 1 0 0 0 5 1 5 0 0 1 1 0 1 4 1 1 2 33
(U.S.) SC SOUTH CAROLINA 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 1 1 0 0 1 1 1 1 1 2 2 1 5 0 0 1 1 0 5 1 29
(U.S.) NC NORTH CAROLINA 1 0 1 0 0 0 0 0 0 1 1 1 0 0 0 1 0 1 1 0 1 0 0 0 0 0 2 2 5 1 0 3 1 0 0 2 0 1 1 0 0 1 28
(U.S.) UT UTAH 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 2 0 2 1 1 1 2 1 1 1 0 1 0 2 2 0 2 0 23
(U.S.) OR OREGON 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 1 0 1 3 1 0 0 1 0 1 1 1 0 1 1 0 2 18
(U.S.) WA WASHINGTON 1 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 0 3 0 0 1 2 1 0 18
(U.S.) WI WISCONSIN 1 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 0 3 0 1 1 2 0 1 0 0 0 0 0 18
(U.S.) AZ ARIZONA 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 2 0 0 1 0 0 1 0 1 0 0 0 0 2 2 0 1 0 0 0 1 0 1 17
(U.S.) IN INDIANA 1 0 0 0 0 0 0 0 1 0 2 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 1 1 1 2 1 1 0 0 0 0 0 0 0 0 0 1 17
(U.S.) KY KENTUCKY 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 2 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 12
(U.S.) LA LOUISIANA 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 2 0 0 0 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 10
(U.S.) AL ALABAMA 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 2 0 1 0 1 1 0 0 0 0 0 0 0 9
(U.S.) AR ARKANSAS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 2 1 0 0 0 0 0 0 2 8
(U.S.) MS MISSISSIPPI 1 0 2 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
(U.S.) IA IOWA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 2 1 0 0 6
(U.S.) OK OKLAHOMA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 1 5
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) VT VERMONT 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) ID IDAHO 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 3
(U.S.) WV WEST VIRGINIA 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) AK ALASKA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) DC DISTRICT OF COLUMBIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) ND NORTH DAKOTA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) NV NEVADA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.) RI RHODE ISLAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
(U.S.) SD SOUTH DAKOTA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.)   -- Subtotal -- 68 48 80 132 103 59 87 93 98 76 82 104 76 81 64 74 40 58 54 58 61 55 69 49 59 87 131 143 198 160 151 150 103 112 81 71 70 66 85 63 63 59 3621
(Foreign) JPX JAPAN 1 1 1 4 6 3 11 7 9 16 17 12 21 14 21 39 18 30 35 31 30 35 53 56 63 79 100 75 115 102 118 105 72 58 85 76 99 75 90 111 114 83 2091
(Foreign) DEX GERMANY 6 4 3 4 7 7 6 9 12 11 7 7 15 14 8 9 6 10 14 6 7 12 14 9 8 12 19 13 26 21 13 21 18 16 16 19 13 21 17 18 11 21 510
(Foreign) FRX FRANCE 2 0 1 8 1 1 2 4 2 3 2 4 3 3 4 7 6 4 4 7 5 8 8 8 6 10 10 8 12 5 9 15 11 9 7 9 10 11 6 8 9 3 255
(Foreign) GBX UNITED KINGDOM 3 1 9 3 1 2 2 2 4 9 7 8 14 14 12 9 3 2 4 9 1 8 6 2 3 1 8 7 8 9 11 2 4 3 1 8 12 4 4 0 6 4 230
(Foreign) KRX SOUTH KOREA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 1 2 2 5 8 6 9 11 10 8 12 10 10 98
(Foreign) CAX CANADA 0 2 1 2 2 0 2 1 0 0 2 0 1 0 0 1 0 2 3 0 0 5 1 4 3 0 1 2 9 7 2 5 7 2 2 0 2 1 3 0 0 0 75
(Foreign) NLX NETHERLANDS 1 0 0 0 0 0 0 2 3 3 3 3 2 3 0 1 0 0 1 1 1 2 0 0 1 0 2 0 0 1 2 0 3 1 4 0 1 1 0 1 1 2 46
(Foreign) ATX AUSTRIA 0 0 0 1 2 0 1 1 0 1 0 1 0 0 3 1 1 0 0 2 1 0 0 0 1 1 0 0 1 2 0 3 1 6 2 2 0 1 1 1 2 1 40
(Foreign) SEX SWEDEN 0 0 2 0 1 1 0 1 0 0 1 0 0 3 1 2 1 0 1 2 1 0 0 1 0 0 3 2 1 2 1 1 3 0 3 0 3 1 1 1 0 0 40
(Foreign) BEX BELGIUM 0 1 0 0 1 0 5 0 0 0 1 4 1 0 1 0 0 0 0 1 0 0 0 0 0 2 1 1 2 0 2 1 0 0 0 0 4 1 0 2 2 2 35
(Foreign) SUX U.S.S.R. 0 0 0 1 0 0 0 0 4 1 1 3 0 0 3 2 2 2 1 0 0 3 2 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 29
(Foreign) CHX SWITZERLAND 0 1 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 2 0 1 1 0 1 1 0 0 1 1 0 0 0 0 0 3 4 1 1 2 2 0 26
(Foreign) AUX AUSTRALIA 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 2 0 0 1 0 0 0 0 0 0 0 2 0 2 2 1 2 0 1 0 1 1 0 1 0 0 2 22
(Foreign) ITX ITALY 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 4 3 1 0 0 0 1 1 2 1 1 0 22
(Foreign) TWX TAIWAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 2 2 1 3 1 2 4 1 0 2 22
(Foreign) DKX DENMARK 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 3 1 3 2 0 1 0 1 19
(Foreign) HUX HUNGARY 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 3 0 0 0 0 0 10
(Foreign) MXX MEXICO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 2 0 0 9
(Foreign) ESX SPAIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 2 0 0 0 1 0 8
(Foreign) ILX ISRAEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 1 0 1 1 8
(Foreign) INX INDIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 1 0 1 7
(Foreign) RUX RUSSIAN FEDERATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 2 0 7
(Foreign) FIX FINLAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 1 1 1 0 0 6
(Foreign) CNX CHINA P.REP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 4
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 1 0 4
(Foreign) LUX LUXEMBOURG 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
(Foreign) NOX NORWAY 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3
(Foreign) NZX NEW ZEALAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 3
(Foreign) CSX CZECHOSLOVAKIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(Foreign) LIX LIECHTENSTEIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2
(Foreign) ROX ROMANIA 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
(Foreign) ARX ARGENTINA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
(Foreign) BDX BANGLADESH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
(Foreign) BRX BRAZIL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) BSX THE BAHAMAS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) EGX EGYPT 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) GYX GUYANA 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) IDX INDONESIA 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) IEX IRELAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) KWX KUWAIT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
(Foreign) MCX MONACO 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) PTX PORTUGAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) THX THAILAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
(Foreign) UZX UZBEKISTAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
(Foreign)   -- Subtotal -- 14 10 18 25 22 14 31 28 34 45 45 46 59 53 54 75 39 51 66 63 49 75 86 81 88 107 146 112 187 161 170 164 130 112 132 140 173 140 142 165 164 135 3651
(ALL) ALL All Regions, U.S. and Foreign 82 58 98 157 125 73 118 121 132 121 127 150 135 134 118 149 79 109 120 121 110 130 155 130 147 194 277 255 385 321 321 314 233 224 213 211 243 206 227 228 227 194 7272


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Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
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email: oeip@uspto.gov

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