Robert J. Sayre represents universities (including two local universities rated among the top four in the United States*) and a variety of companies (including one of the top five institutional patent recipients in the United States**) with inventions in a variety of technical industries and fields, including, but not limited to, the following:
- materials science (especially ceramics),
- chemistry,
- electronics,
- optics/photonics,
- alternative energy,
- radiation and optical imaging,
- nanotechnology,
- medical devices and implants,
- fluid filtration,
- water desalination,
- micro-robotics,
- semiconductor and microelectronics fabrication,
- particle accelerators, and
- computer software.
* per 2009 US News and World Report rankings
** based on number of patent grants in the United States in 2010