Location History:
- Sakai, JP (2002 - 2005)
- Susono, JP (2010 - 2014)
- Toyota, JP (2010 - 2021)
Company Filing History:
19 out of 36,499 
3 out of 335 
2 out of 42,485 
Years Active: 2002-2021
Title: Hiroo Yoshikawa: Innovator in Fuel Cell Technology
Introduction: Hiroo Yoshikawa is a notable inventor based in Toyota, Japan, renowned for his contributions to fuel cell technology. With a remarkable portfolio of 20 patents, Yoshikawa has significantly advanced the efficiency and durability of fuel cells, establishing him as a key player in the automotive and energy sectors.
Latest Patents: Among his latest innovations are two notable patents. The first, titled "Fuel Cell Electrode Catalyst and Method for Producing the Same," aims to achieve both high initial performance and durability in fuel cells. This invention utilizes a novel fuel cell electrode catalyst that includes a solid carbon carrier, along with an alloy of platinum and cobalt, thereby enhancing performance. The second patent, "Water-Repellent Layer and Fuel Cell," introduces a water-repellent layer containing a water-repellent material and a hydrogen peroxide decomposition catalyst. This innovation specifies a mass ratio of the catalyst to the water-repellent material between 5 and 20 mass percent, greatly contributing to the operational efficiency of fuel cells.
Career Highlights: Hiroo Yoshikawa has built an impressive career primarily through his work with prominent organizations. He has made significant contributions at Toyota Motor Corporation and Sumitomo Riko Company Limited, where he honed his skills and developed groundbreaking technologies that have influenced the industry.
Collaborations: Throughout his career, Yoshikawa has worked alongside esteemed colleagues such as Junji Nakanishi and Tsunemasa Nishida. Their collaborative efforts have fostered an environment of innovation, enabling the successful development of advanced fuel cell technologies.
Conclusion: Hiroo Yoshikawa stands out as a dedicated inventor whose work in fuel cell technology continues to inspire advancements in sustainable energy solutions. His patents reflect a commitment to improving the performance and durability of fuel cells, ensuring a brighter future for energy-efficient vehicles.
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.