Location History:
- Kanagawa, JP (2012 - 2016)
- Fujisawa, JP (2017 - 2018)
Company Filing History:
4 out of 5 
2 out of 6,667 
1 out of 713 
Years Active: 2012-2018
Title: Takaaki Tsurumi: Innovator in All-Solid-State Capacitors
Introduction
Takaaki Tsurumi is a prominent inventor based in Fujisawa, Japan. He has made significant contributions to the field of energy storage, particularly through his innovative work on all-solid-state capacitors. With a total of 6 patents to his name, Tsurumi's inventions are paving the way for advancements in capacitor technology.
Latest Patents
Tsurumi's latest patents focus on the development of all-solid-state capacitors featuring solid electrolytes with a polycrystalline structure. One of his notable inventions is an all-solid-state capacitor that boasts high capacitance and excellent frequency characteristics while maintaining a compact design. This capacitor includes an inorganic solid electrolyte and a pair of current collectors that hold the electrolyte in place. The inorganic solid electrolyte is characterized by a perovskite crystal structure, which is defined by a general formula, ABO. The A-site elements consist of lithium and another element from Group 2 of the Periodic Table, while the B-site elements include titanium and another element from Group 5.
Another patent describes an all-solid-state capacitor that also utilizes an inorganic solid electrolyte, with a polycrystalline structure made up of crystal particles and grain boundaries. In this design, the size of the domains near the crystal grain boundaries is larger than those located at the center of the crystal particles, enhancing the overall performance of the capacitor.
Career Highlights
Throughout his career, Takaaki Tsurumi has worked with notable companies in the energy sector, including Energy Storage Materials LLC and Kyocera Corporation. His experience in these organizations has allowed him to refine his expertise in capacitor technology and contribute to groundbreaking innovations.
Collaborations
Tsurumi has collaborated with talented individuals such as Tomoyuki Ono and Seiichirou Hirahara. These partnerships have fostered a creative environment that has led to the development of advanced technologies in energy storage.
Conclusion
Takaaki Tsurumi's work in the field of all-solid-state capacitors exemplifies his commitment to innovation and excellence. His patents are a testament to his expertise and dedication to advancing energy storage solutions.