He is the author or coauthor of over 450 publications in his research areas, including over 200 journal articles. His research interests are in multiscale thermal management.,Dr. Joshi is an elected fellow of the American Society of Mechanical Engineers (ASME) and the American Association for the Advancement of Science. He was a co-recipient of the ASME Curriculum Innovation Award in 1999, the Inventor Recognition Award from the Semiconductor Research Corporation in 2001, the ASME Electronic and Photonic Packaging Division Outstanding Contribution Award in Thermal Management in 2006, the ASME Journal of Electronics Packaging Best Paper of the Year Award in 2008, the IBM Faculty Award in 2008, the IEEE SemiTherm Significant Contributor Award in 2009, the IIT Kanpur Distinguished Alumnus Award in 2011, the ASME InterPack Achievement Award in 2011, the ITherm Achievement Award in 2012, the ASME Heat Transfer Memorial Award in 2013, and the AIChE Donald Q. Kern Award in 2018.