Company Filing History:
2 out of 156 
1 out of 721 
Years Active: 2002-2018
Title: Kenji Yamanaka: Innovator in Battery Technology
Introduction
Kenji Yamanaka is a prominent inventor based in Kyoto, Japan, known for his contributions to battery technology. With a total of three patents to his name, Yamanaka has made significant advancements in the field of energy storage solutions.
Latest Patents
One of Yamanaka's latest patents is a lead-acid battery design that includes a power generating element, an electrolyte solution, a container, and a lid member. This innovative design features an exhaust space that communicates with the outside, allowing for efficient management of the electrolyte solution. The bottom surface of the exhaust space is inclined to facilitate the return of the solution to the container. Additionally, the sleeve member within the design has blocking elements arranged to optimize the flow of the electrolyte.
Another notable patent is a method for detecting the residual capacity of a secondary battery. This method involves establishing correlations between the residual capacity and four parameters: internal resistance, temperature, discharge current, and either open circuit voltage or discharge voltage. By detecting at least two of these varying parameters during battery use, the residual capacity can be estimated accurately.
Career Highlights
Throughout his career, Kenji Yamanaka has worked with reputable companies such as Japan Storage Battery Co., Ltd. and GS Yuasa International Ltd. His experience in these organizations has contributed to his expertise in battery technology and innovation.
Collaborations
Yamanaka has collaborated with notable individuals in the field, including Naoki Fujimoto and Takao Omae. These partnerships have likely enhanced his research and development efforts in battery technology.
Conclusion
Kenji Yamanaka's contributions to battery technology through his innovative patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in energy storage solutions.