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Rank Ordered Listing of Organizations Receiving
5
or More Utility Patents 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 ownership is determined by the first-named assignee listed on a patent )
| First-Named Assignee | 2011 | 2012 | 2013 | 2014 | 2015 | Total |
|---|---|---|---|---|---|---|
| CORNING INCORPORATED | 20 | 12 | 14 | 19 | 13 | 78 |
| ASAHI GLASS COMPANY, LTD. | 9 | 13 | 12 | 9 | 5 | 48 |
| HOYA CORPORATION | 8 | 8 | 14 | 17 | 1 | 48 |
| SCHOTT AG | 10 | 10 | 10 | 9 | 9 | 48 |
| SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN | 3 | 16 | 8 | 6 | 3 | 36 |
| OHARA INC. | 12 | 10 | 3 | 2 | 0 | 27 |
| TDK CORPORATION | 4 | 6 | 9 | 7 | 1 | 27 |
| NIPPON ELECTRIC GLASS COMPANY LIMITED | 4 | 1 | 4 | 8 | 9 | 26 |
| IVOCLAR VIVADENT AG | 4 | 3 | 4 | 4 | 4 | 19 |
| MURATA MANUFACTURING CO., LTD. | 0 | 4 | 11 | 4 | 0 | 19 |
| ~INDIVIDUALLY OWNED PATENT | 3 | 7 | 4 | 2 | 3 | 19 |
| KYOCERA CORPORATION | 4 | 4 | 3 | 2 | 3 | 16 |
| NGK INSULATORS LTD. | 3 | 5 | 1 | 4 | 3 | 16 |
| AVANSTRATE INC. | 1 | 1 | 3 | 2 | 3 | 10 |
| KROSAKIHARIMA CORPORATION | 0 | 4 | 4 | 1 | 1 | 10 |
| PPG INDUSTRIES OHIO INC. | 0 | 2 | 1 | 5 | 1 | 9 |
| EUROKERA | 0 | 4 | 0 | 3 | 1 | 8 |
| SAMSUNG ELECTRO-MECHANICS CO., LTD. | 1 | 2 | 1 | 0 | 4 | 8 |
| SIEMENS AKTIENGESELLSCHAFT | 2 | 3 | 1 | 0 | 2 | 8 |
| HITACHI METALS LTD. | 4 | 0 | 2 | 1 | 0 | 7 |
| OCV INTELLECTUAL CAPITAL, LLC | 0 | 2 | 2 | 0 | 3 | 7 |
| REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG | 3 | 2 | 0 | 1 | 1 | 7 |
| SAINT-GOBAIN GLASS FRANCE | 2 | 4 | 0 | 0 | 1 | 7 |
| TOSOH CORPORATION | 1 | 1 | 2 | 2 | 1 | 7 |
| CANON KABUSHIKI KAISHA | 0 | 2 | 1 | 2 | 1 | 6 |
| GENERAL ELECTRIC COMPANY | 2 | 2 | 1 | 0 | 1 | 6 |
| KONICA MINOLTA OPTO, INC | 5 | 0 | 1 | 0 | 0 | 6 |
| NGK SPARK PLUG CO., LTD. | 2 | 0 | 1 | 1 | 2 | 6 |
| SAINT-GOBAIN CERAMICS & PLASTICS, INC. | 1 | 1 | 0 | 3 | 1 | 6 |
| SHIN ETSU CHEMICAL CO., LTD. | 2 | 1 | 0 | 1 | 2 | 6 |
| 3M INNOVATIVE PROPERTIES COMPANY | 2 | 0 | 1 | 1 | 1 | 5 |
| CDGM GLASS CO., LTD | 0 | 0 | 2 | 1 | 2 | 5 |
| DIAMOND INNOVATIONS, INC. | 2 | 1 | 1 | 0 | 1 | 5 |
| DOW GLOBAL TECHNOLOGIES LLC | 2 | 0 | 0 | 0 | 3 | 5 |
| KABUSHIKI KAISHA OHARA | 2 | 2 | 1 | 0 | 0 | 5 |
| LG CHEM, LTD. | 0 | 0 | 0 | 4 | 1 | 5 |
| NIHON YAMAMURA GLASS CO., LTD. | 1 | 2 | 1 | 1 | 0 | 5 |
| SCHOTT CORPORATION | 0 | 0 | 2 | 1 | 2 | 5 |
| SUMITOMO CHEMICAL COMPANY, LIMITED | 0 | 0 | 1 | 3 | 1 | 5 |
Questions regarding these reports should be directed to:
U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.govaddress of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/
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