This inventor holds 7 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Mitsui Mining Co., Ltd., Nippon Coke & Engineering Company, Limited, Nippon Power Graphite Co., Ltd.. Active years: 2002-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 44 
1 out of 4 
1 out of 1 Years Active: 2002-2018
Title: Tadanori Tsunawaki: Innovator in Lithium-Ion Battery Technology
Introduction
Tadanori Tsunawaki is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of lithium-ion battery technology, holding a total of seven patents. His work focuses on the development of materials and methods that enhance the performance and efficiency of lithium-ion batteries.
Latest Patents
Tsunawaki'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 an 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 for efficient processing.
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 from consolidated particles of spheroidized graphite. The material is characterized by its unique structure, including an amorphous carbon layer and a highly crystalline carbon layer, contributing to its effectiveness in lithium-ion batteries.
Career Highlights
Throughout his career, Tsunawaki has worked with notable companies such as Mitsui Mining Co., Ltd. and Nippon Power Graphite Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and battery technology.
Collaborations
Tsunawaki has collaborated with esteemed colleagues, including Tatsuo Umeno and Kenji Fukuda. These partnerships have fostered innovation and advancement in the field of battery materials.
Conclusion
Tadanori Tsunawaki's contributions to lithium-ion battery technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of more efficient energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile