Location History:
- Kamakura, JP (2008 - 2009)
- Kadoma, JP (2003 - 2010)
- Tokushima, JP (2018)
- Osaka, JP (2008 - 2022)
Company Filing History:
13 out of 16,453 
9 out of 13,307 
4 out of 27,375 
Years Active: 2003-2022
Title: Yoshiyuki Muraoka: Innovator in Battery Technology
Introduction
Yoshiyuki Muraoka, based in Osaka, Japan, is a prolific inventor known for his significant contributions to battery technology, with an impressive portfolio of 30 patents to his name. His work primarily focuses on the development of advanced nonaqueous electrolyte secondary batteries and cylindrical lithium-ion cells, emphasizing high endurance and longevity.
Latest Patents
Among Muraoka's latest patents is a novel **nonaqueous electrolyte secondary battery**. This innovation aims to improve battery performance by ensuring the sealing performance remains intact over time. The battery features a closed-end cylindrical outer can, a sealing body that securely closes the opening, and a specialized multilayer sealing member. The sealing member consists of various types of rubber materials, ensuring higher reliability and functionality.
Another notable patent is for a **cylindrical lithium-ion cell**. This design incorporates an electrode group formed by winding a positive and a negative electrode within a battery case. The innovative sealing plate and insulating plate design allows for optimized performance, with specific opening ratios contributing to the battery's reliability and efficiency.
Career Highlights
Muraoka has worked with renowned companies, including Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience at these institutions has allowed him to further refine his expertise in battery technology and intellectual property management, cementing his role as a key figure in this field.
Collaborations
Throughout his career, Muraoka has collaborated with noteworthy colleagues such as Haruya Nakai and Yukihiro Okada. These professional relationships have fostered an environment of innovation and creativity, leading to advancements in technology that benefit both consumers and the industry.
Conclusion
Yoshiyuki Muraoka's impactful innovations in battery technology highlight his dedication to improving energy solutions. With a solid track record of patents and collaborations, Muraoka continues to be a leading inventor in the field, paving the way for future advancements in rechargeable battery systems. His work not only showcases his expertise but also contributes significantly to the evolution of sustainable energy technologies.