Inventor
COHEN ROGER W
5 patents
⚠️ This page may combine multiple inventors who share the name “COHEN ROGER W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXXON RESEARCH ENGINEERING CO
3 patentsUS5721910AFeb 24, 1998
Relational database system containing a multidimensional hierachical model of interrelated subject categories with recognition capabilities
EXXON RESEARCH ENGINEERING CO285 citations94
US4973386ANov 27, 1990
Passive acoustic power spectra to monitor and control processing
EXXON RESEARCH ENGINEERING CO26 citations89
US4877488AOct 31, 1989
Passive acoustic power spectra to monitor and control processing
EXXON RESEARCH ENGINEERING CO36 citations89