Location History:
- Kanzaki, JP (2013 - 2016)
- Yamaguchi, JP (2017 - 2019)
- Saga, JP (2020 - 2023)
Company Filing History:
14 out of 13,247 
2 out of 8,776 
2 out of 49 Years Active: 2013-2025
Title: Yoshiaki Ishimaru: Innovator in Electrolytic Capacitors
Introduction
Yoshiaki Ishimaru is a prominent inventor based in Saga, Japan, known for his significant contributions to the field of electrolytic capacitors. With a total of 16 patents to his name, Ishimaru has made remarkable advancements in capacitor technology, particularly in improving their efficiency and production methods.
Latest Patents
Ishimaru's latest patents include an electrolytic capacitor with improved equivalent series resistance and a production method for such capacitors. This innovative method involves creating a capacitor element that consists of an anode body and a cathode body, each shaped like a foil. The anode body features a dielectric layer on its surface. The production process includes several steps, such as forming a capacitor element precursor by winding or stacking a separator, the anode body, and the cathode body, followed by impregnation with a treatment liquid containing a polyhydric alcohol, a solvent, and a conductive polymer component. Another notable patent describes an electrolytic capacitor that includes a separator, an anode body, and a cathode body, with an electrolyte layer that contains a first conductive polymer and a compound with a melting point of 50° C. or higher, which is unevenly distributed in the electrolyte layer.
Career Highlights
Throughout his career, Yoshiaki Ishimaru has worked with notable companies such as Panasonic Intellectual Property Management Co., Ltd. and Sanyo Electric Co., Ltd. His work has significantly impacted the development of capacitor technology, leading to more efficient and reliable products in the market.
Collaborations
Ishimaru has collaborated with esteemed colleagues, including Tatsuji Aoyama and Kazunari Imamoto, contributing to various projects that have advanced the field of electronics.
Conclusion
Yoshiaki Ishimaru's innovative work in electrolytic capacitors has established him as a key figure in the industry. His patents reflect a deep understanding of capacitor technology and a commitment to enhancing its efficiency and production methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.