Esther Takeuchi holds an impressive portfolio of patents related to battery technology, electrochemical energy storage, and related materials science. Her patents cover a wide range of inventions, including novel battery chemistries, electrode materials, and battery designs, demonstrating her prolific inventiveness and expertise in the field.

Takeuchi's patents pertaining to the lithium/silver vanadium oxide (Li/SVO) battery are particularly significant. These patents protect the unique design and composition of this groundbreaking battery, ensuring its commercial success and widespread adoption in implantable medical devices. They also establish Takeuchi as the primary inventor of this transformative technology.