Location History:
- Kofu, JP (2016)
- Hokuto, JP (2015 - 2019)
Company Filing History:
3 out of 17 
2 out of 1,058 
Years Active: 2015-2019
Title: Kenji Kojima: Innovating Lithium-Ion Capacitor Technology
Introduction: Kenji Kojima, an accomplished inventor based in Hokuto, Japan, has made significant contributions to the field of energy storage technology. With a total of four patents to his name, his latest innovations focus on advancements in lithium-ion capacitors, which are critical for modern electronic devices and energy systems.
Latest Patents: Kojima's most recent patents include a positive electrode for a lithium-ion capacitor. This innovative electrode features a meticulously designed pore structure that enhances its performance. Specifically, the positive electrode layer is treated to achieve a pore volume with sizes between 1.0 nm and 1.4 nm, delivering exceptional efficacy. The pretreatment process involves immersing the positive electrode in dehydrated acetonitrile, which is repeated several times to ensure optimal conditions.
Another notable invention by Kojima is an electrode material that not only includes carbon but also maintains a significant weight reduction under specific heating conditions, showcasing its advanced material properties.
Career Highlights: Kenji Kojima has worked with notable companies in the energy sector, including Jm Energy Corporation and JSR Corporation. His work has consistently focused on enhancing the performance and efficiency of electrical storage devices, positioning him as a key player in the innovation of energy technologies.
Collaborations: Throughout his career, Kojima has collaborated with talented professionals such as Toshihiro Hayashi and Norihiro Yamamoto. These collaborations have proven valuable in his quest for groundbreaking advancements in the field of lithium-ion capacitors and related technologies.
Conclusion: Kenji Kojima's innovations in lithium-ion capacitor technology reflect his commitment to enhancing energy storage solutions. His patents showcase a deep understanding of material properties and their applications, contributing to the ongoing evolution of energy-efficient technologies. As a proactive inventor, he continues to pave the way for future advancements in this essential field.