Mission : Find all the patent having one of the following concept (Refrigerator or oven or kettle or coffee machine) and (zigbee or chemical sensor). Then go to analytic and place in vertical axis the appliances concept and on horizontal the technology concepts.
Word to Bridge the Gap : The number of patent with zigbee and refrigerator before March 2018
Story : You are helping the researcher finding applied research which hasn’t been patented yet. The researcher thinks that chemical sensor and zigbee has some potential in smart kitchen.