This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Chemical Corporation. Active years: 1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1999
Title: The Innovations of Tomikazu Koyama
Introduction
Tomikazu Koyama is a notable inventor based in Joetsu, Japan. He has made significant contributions to the field of battery technology, particularly with his work on lithium-ion secondary cells. His innovative approach has led to advancements that enhance the efficiency and performance of these essential energy storage devices.
Latest Patents
Koyama holds a patent for a lithium-ion secondary cell. This invention comprises a plurality of single cells that include a collector with positive electrodes made of a metallic material coated with a positive electrode active substance. The negative electrodes are also composed of a metallic material coated with a negative electrode active substance. The design features separators between the positive and negative electrodes, lugs of metallic materials where the active substance is not coated, and conductors that are adapted to bunch and clamp the lugs of the positive and negative electrodes separately. The assembly of the positive and negative electrodes is done in a laminate fashion, with the ends of the lugs being welded to the respective conductors to allow electric current to be extracted efficiently.
Career Highlights
Koyama is currently employed at Mitsubishi Chemical Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of lithium-ion batteries, which are widely used in various applications, from consumer electronics to electric vehicles.
Collaborations
Throughout his career, Koyama has collaborated with talented individuals such as Minoru Inoue and Yuukichi Kobayashi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Tomikazu Koyama's contributions to the field of battery technology exemplify the spirit of innovation. His patent for a lithium-ion secondary cell showcases his commitment to enhancing energy storage solutions. Koyama's work continues to impact the industry positively, paving the way for future advancements in battery technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile