Company Filing History:
7 out of 1,710 
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Years Active: 1993-2019
Title: The Innovative Contributions of Kuniaki Tatsumi in Lithium Battery Technology
Introduction: Kuniaki Tatsumi, an accomplished inventor based in Ikeda, Japan, has made significant strides in the field of lithium battery technology through his innovative work. With a portfolio of 10 patents, Tatsumi's inventions focus on developing novel materials that improve the performance and efficiency of lithium secondary batteries.
Latest Patents: Among Tatsumi's latest innovations is the lithium sulfide-iron-carbon complex. This material is designed to offer exceptional charge and discharge characteristics, including a high utilization rate of the positive electrode, increased capacity, and good cycle stability. Comprising lithium sulfide, iron, sulfur, and carbon, the compound contains lithium sulfide as its primary phase, with a crystallite size of 50 nm or less, as determined by X-ray powder diffraction.
Another notable invention includes the amorphous (lithium) niobium sulfide and (lithium) titanium niobium sulfide. These sulfides are characterized by high charge-discharge capacities, improved electrical conductivity, and excellent performance as cathode active materials for various types of lithium batteries, including lithium primary and secondary batteries, as well as lithium-ion batteries.
Career Highlights: Tatsumi's work spans institutions such as the National Institute of Advanced Industrial Science and Technology, alongside the Agency of Industrial Science and Technology of the Ministry of International Trade and Industry. His efforts in these roles have significantly contributed to advancements in battery technology and materials science.
Collaborations: Throughout his career, Kuniaki Tatsumi has collaborated with esteemed coworkers such as Tomonari Takeuchi and Hikari Sakaebe. Together, they have worked on research and development initiatives that have fostered innovation in the industry.
Conclusion: Kuniaki Tatsumi stands out as a key figure in the realm of battery technology with his inventive approaches to enhancing lithium battery materials. His patents not only demonstrate his expertise but also contribute to the ongoing evolution of energy storage solutions in our technologically advanced society.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.