Inventors with similar research interests:
Location History:
- Minato-ku, JP (2010 - 2013)
- Tokyo, JP (1993 - 2024)
Company Filing History:
62 out of 35,658 
1 out of 792 
1 out of 7,524 
Years Active: 1993-2025
Title: Innovator Katsumi Maeda: Pioneering Advances in Battery Technology
Introduction
Katsumi Maeda, based in Tokyo, Japan, is a notable inventor recognized for his significant contributions to battery technology. With an impressive portfolio of 62 patents, he has consistently pushed the boundaries of innovation, particularly in the development and enhancement of lithium-ion batteries.
Latest Patents
Among his latest achievements, Maeda has patented a reduced graphene oxide-graphite composite material and its production method aimed at improving the overall performance of lithium-ion secondary batteries. This invention focuses on enhancing battery characteristics, such as charge and discharge efficiency and capacity retention ratio. His composite material is characterized by a specific functional group ratio of C—O to C═O bonds, obtained through meticulous surface analysis using X-ray photoelectron spectroscopy (XPS). Additionally, Maeda has developed a reduced graphene-based material designed to further optimize charge/discharge efficiency in lithium-ion secondary batteries, incorporating a unique coating of lithium, phosphorus, fluorine, and oxygen elements.
Career Highlights
Throughout his career, Maeda has collaborated with esteemed organizations, including NEC Corporation and Ecolab Inc., where he has applied his expertise in materials science to drive meaningful advancements in technology. His efforts have led to patented inventions that are expected to have a lasting impact on the battery industry.
Collaborations
Maeda's work has also seen fruitful collaborations with talented colleagues such as Kaichiro Nakano and Etsuo Hasegawa. These partnerships have fostered innovative ideas and strategies, contributing to the successful development of his patented technologies.
Conclusion
Katsumi Maeda stands out as a prolific inventor in the field of battery technology. His relentless pursuit of innovation and ability to develop cutting-edge materials have made significant contributions to the advancement of energy storage solutions. With ongoing research and development, Maeda continues to inspire future innovations that promise enhanced efficiency and performance in lithium-ion batteries.
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