Posifa Technologies

Posifa Technologies is a private Silicon Valley sensor company that designs and manufactures MEMS-based thermal sensing solutions for mass flow, gas concentration, vacuum pressure, and air velocity measurement. Its products are sold into medical devices, respiratory care, HVAC and refrigeration, hydrogen energy, battery safety, semiconductor equipment, and industrial process-control applications. In healthcare, Posifa supplies flow sensors used in devices such as ventilators, oxygen concentrators, CPAP/BiPAP systems, and anesthesia equipment. The company emphasizes a proprietary thin-film thermopile and laminar-flow-channel MEMS platform, with chip design and development in San Jose and manufacturing through certified facilities in the United States and Asia. Posifa appears to be a commercial-stage hardware and sensing-solutions company rather than a drug-development biotech.