Esther Sans Takeuchi Patents – Key Insights and Stats

Esther Sans Takeuchi is one of the most active and appreciated innovators, known for her life-saving innovations in batteries. Esther invented the lithium/silver vanadium oxide (SVO) battery, which is now the leading battery tech for implantable cardiac defibrillators (ICDs), a device that is helping save the lives of millions of heart patients.

Esther is an expert in organic chemistry and her research’s primary focus has been on battery technology. In 2018, Esther won the European Inventor Award for developing SVO batteries, which are much more powerful than traditional batteries, are miniature in size, and can last up to 5 years, compared to 1 year of traditional Li-ion batteries.

Esther was a curious kid, with a keen interest in figuring out the inner workings of things. She used to help her father, who’s an electrical engineer, in his projects, following him around the house.

Her curiosity is what led to her developing this lifesaving breakthrough tech. Battery tech developed by Esther is being used extensively in neurostimulators, drug delivery systems, and pacemakers and even in extreme application areas such as by NASA for equipment used in space shuttles, and for fulfilling battery needs of the oil exploration industry.

Professional Journey

  • University of Buffalo (Sep 2007 – Present, as a Professor)
  • Electrochem (2006 – 2007, as a Cheif Scientist)
  • Greatbatch (1984 – 2007, as a Director of Research and Development)

Esther Sans Takeuchi Patents

In the Esther Sans Takeuchi patent portfolio, there are 584 patents that belong to 153 unique patent families. The below exhibits highlight the key statistics of her patent portfolio.

Esther Sans Takeuchi Patents – Technology Distribution

The patent count in the exhibit below is calculated by including only one patent from each patent family. A patent family can have multiple patent documents – filed globally or in a single country – covering a single invention.

Esther Sans Takeuchi Patents

The exhibit below distributes Esther Sans Takeuchi patents into active and inactive categories which are further divided into total, application, and granted parts.

Worldwide Patents

Esther Sans Takeuchi Patent Portfolio

Patent Families

Esther Sans Takeuchi Patents Granted Application

Country-wise distribution of Esther Sans Takeuchi’s patents

The patent count in the exhibit below is calculated by including each family member of a patent family. A patent family can have multiple patent documents – filed globally or in a single country – covering a single invention.


Esther Sans Takeuchi has 153 patent families in her patent portfolio. She is an individual inventor of 5 and a co-inventor in the rest of 148 patents.

The most cited patent of Esther Sans Takeuchi

The most cited patent in Esther Sans Takeuchi’s portfolio is US4964877A. It has received 188 citations from industry-leading companies like Medtronic, LG Chemical, Cardiac Pacemakers Inc., and NanoGram Corporation.

If a patent is cited by a lot of other patents, it implies that the technology is being followed and incrementally innovated. This indicates the importance of a patent. Furthermore, it also indicates that citing companies are working on similar or closely related technologies.

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Our comprehensive report provides an in-depth look into the patent portfolio. The report includes a breakdown of the patent portfolio across various technologies, listing the patent along with brief summaries of each patent's technology.