The book gathers selected, reviewed contributions presented at the 16th International Conference on Materials and Manufacturing Technologies, held during March 21-23 2025, Sendai, Japan. It highlights recent innovative methods and developments in materials and manufacturing technologies. A wide range of topics are discussed in this book, which includes Structural Materials, Metallic Materials, Materials Processing, Chemical Materials, Optical/Electronic Materials, Magnetic Materials, Cryogenic Materials, Micro/Nano Machining, Metal Forming, biomaterials, building materials, Green Manufacturing, Non-Conventional Machining Processes, Additive Manufacturing, Subtractive Manufacturing, Advanced Manufacturing Processes. This volume of proceedings is also suitable for researchers and practitioners who are engaged in the interdisciplinary fields of materials science and manufacturing engineering.