Company Filing History:
4 out of 27,375 
1 out of 10 Years Active: 1998-2007
Title: **The Innovative Mind of Takeshi Okubo**
Introduction
Takeshi Okubo, an esteemed inventor based in Hirakata, Japan, has made significant contributions to the field of battery technology. With a total of four patents to his name, Okubo is recognized for his innovative solutions that enhance the performance and reliability of alkaline dry batteries.
Latest Patents
Okubo's most recent patents reflect his dedication to improving battery technology. His alkaline dry battery invention aims to minimize electrolyte leakage while maximizing discharge performance. Specifically, the design incorporates a unique composition of zinc powder, consisting of 65 to 75 wt % of larger zinc particles and 25 to 35 wt % of smaller particles. This combination reduces the likelihood of internal short circuits, particularly when using a thin separator.
Another notable patent involves a sealing structure for alkaline batteries, which features a gate on the aperture side of a sealing element. This innovative design simplifies the assembly process, allowing for the insertion of the negative electrode current collector, resin sealing element, and terminal plate in a streamlined manner. The method ensures a secure seal by bending and crimping the aperture rim of the battery casing, effectively accommodating the resin injection for improved manufacturing efficiency.
Career Highlights
Throughout his career, Takeshi Okubo has worked with notable companies, including Matsushita Electric Industrial Co., Ltd. and Fuji Seal, Inc. These experiences have provided him with valuable insights and expertise in the industry, enabling him to develop groundbreaking inventions that contribute to advancements in battery technology.
Collaborations
Okubo has collaborated with talented individuals in the field, including Masanobu Abe and Carl David Walton. Their teamwork has likely fostered an environment of innovation, allowing for the exchange of ideas that drive success in their shared pursuits.
Conclusion
Takeshi Okubo's inventive spirit and commitment to enhancing battery technology exemplify the impact of innovation in everyday life. His patents not only demonstrate his proficiency as an inventor but also highlight the potential for further advancements in energy storage solutions. As technology continues to evolve, Okubo’s contributions will undoubtedly pave the way for future developments in this essential field.