Location History:
- Kitakyushu, JP (2004 - 2012)
- Fukuoka, JP (2002 - 2018)
Company Filing History:
5 out of 44 
2 out of 4 
1 out of 1 Years Active: 2002-2018
Title: Innovations by Tatsuo Umeno in Lithium-Ion Battery Technology
Introduction
Tatsuo Umeno is a prominent inventor based in Fukuoka, Japan, known for his significant contributions to the field of lithium-ion battery technology. With a total of nine patents to his name, Umeno has developed innovative methods and apparatuses that enhance the efficiency and performance of negative-electrode materials used in batteries.
Latest Patents
Umeno's latest patents include an "Apparatus for manufacturing negative-electrode carbon material, and method for manufacturing negative-electrode carbon material using same." This invention describes a sophisticated apparatus designed for the heat treatment of carbon particles, which flow within a heat-treatment furnace. The apparatus features a carbon-particle supply opening and a negative-electrode carbon material recovery opening, along with a cooling tank that is connected in an airtight manner.
Another notable patent is for "Negative electrode material for lithium ion secondary batteries, and method for producing same." This invention details a negative electrode material composed of amorphous coated particles, which are formed by consolidating primary spheroidized graphite particles. The material includes a specific percentage of an amorphous carbon layer and a highly crystalline carbon layer, contributing to its unique properties and performance in lithium-ion batteries.
Career Highlights
Throughout his career, Tatsuo Umeno has worked with notable companies such as Mitsui Mining Co., Ltd. and Nippon Coke & Engineering Company, Limited. His experience in these organizations has allowed him to refine his expertise in materials science and battery technology, leading to his innovative patent developments.
Collaborations
Umeno has collaborated with esteemed colleagues, including Tadanori Tsunawaki and Kenji Fukuda. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in battery technology.
Conclusion
Tatsuo Umeno's contributions to lithium-ion battery technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of more efficient and effective battery materials, paving the way for advancements in energy storage solutions.
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.