Company Filing History:
4 out of 27,375 
1 out of 16,453 
Years Active: 2003-2009
Title: Katsuyuki Shirasawa: Innovator in Battery Technology
Introduction
Katsuyuki Shirasawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and reliability of battery packs.
Latest Patents
One of his latest patents involves a battery pack that includes a battery, a circuit substrate with a charge/discharge safety circuit, and an end case with an external connection terminal. In this design, the circuit substrate is arranged inside the end case, which is secured to the battery by screws. This configuration achieves a compact battery pack with reduced connection resistance, ensuring high reliability and productivity. Another notable patent features a battery pack comprising a lithium-ion secondary battery and a current interrupting device for protection. This device includes both recoverable and non-recoverable components, enhancing the safety and performance of the battery under varying temperature conditions.
Career Highlights
Katsuyuki Shirasawa has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.
Collaborations
Throughout his career, Shirasawa has collaborated with talented individuals, including Takeshi Ishimaru and Yoshinori Iwaizono. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Katsuyuki Shirasawa's work in battery technology exemplifies innovation and dedication to improving energy solutions. His patents reflect a commitment to enhancing the efficiency and safety of battery systems, making a significant impact in the field.