This inventor holds 4 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Panasonic Intellectual Property Managment Co., Ltd., Panasonic Intellectual Property Management Co., Ltd.. Active years: 2025-2026.
Company Filing History:
3 out of 554 
1 out of 13,338 Years Active: 2025-2026
Title: Koki Yamanaka: Innovator in Impact Detection Technology
Introduction
Koki Yamanaka is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of impact detection technology, particularly in relation to power storage packs. His innovative approach has led to the development of a unique device that enhances the safety and reliability of power storage systems.
Latest Patents
Koki Yamanaka holds a patent for an impact detection device and power storage pack. This device is designed to be mounted on a power storage pack, utilizing an impact detection circuit that compares detection values from a three-axis accelerometer sensor. The circuit sets thresholds according to the mechanical characteristics of the power storage pack, allowing it to detect impacts that exceed allowable ranges. For instance, in power storage packs that include wound cylindrical cells, the threshold for one axis may be set to a smaller absolute value than the thresholds for the other two axes, ensuring precise impact detection.
Career Highlights
Yamanaka is currently employed at Panasonic Intellectual Property Management Co., Ltd., where he continues to innovate and develop new technologies. His work focuses on enhancing the safety features of power storage systems, which are critical in various applications, including electric vehicles and renewable energy storage.
Collaborations
Koki Yamanaka collaborates with Yuta Kurosaki, a fellow innovator in the field. Together, they work on advancing technologies that improve the functionality and safety of power storage solutions.
Conclusion
Koki Yamanaka's contributions to impact detection technology exemplify the importance of innovation in enhancing the safety of power storage systems. His patent and ongoing work at Panasonic highlight his commitment to advancing this critical field.