26 Utility Patents
#5,013 in Tokyo
#24,476 in Japan
#113,409 in the World
Forward Citations = 459
Company Filing History:

Hoechst Celanese Corporation

4. 2 out of 111
Hyperion Catalysis International, Inc.
5. 2 out of 255
Research Development Corporation of Japan
where one patent can have more than one assignee
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