This inventor holds 30 USPTO granted patents and 4 EPO patents, primarily in Hydrogen Storage Technology. Top assignees: Matsushita Electric Industrial Co., Ltd., National Institute of Advanced Industrial Science and Technology, Shionogi Company Limited. Active years: 1976-2020.
Location History:
- Kyoto, JA (1976 - 1977)
- Yahata, JP (1984)
- Kyoto, JP (1990)
- Yawata, JP (1980 - 1996)
- Osaka, JP (1992 - 2015)
- Toyonaka, JP (2015)
- Ikeda, JP (2012 - 2020)
Company Filing History:
19 out of 27,375 
4 out of 1,763 
4 out of 1,001 
Years Active: 1976-2020
Areas of Expertise:
Title: The Innovative Mind of Tsutomu Iwaki
Introduction
Tsutomu Iwaki, a prolific inventor based in Yawata, Japan, has made significant contributions to the field of fuel cell technology and fiber batteries. With an impressive portfolio of 30 patents to his name, Iwaki's innovations reflect a deep understanding of materials science and engineering principles.
Latest Patents
Among Iwaki's recent patents are groundbreaking advancements in fuel cell technology. One notable patent is for a current collector designed for fuel cells, which includes a membrane electrode assembly with a solid polymer electrolyte layer. This design features a gas flow path for supplying gas to each electrode layer, incorporating a metal porous body that enhances conductivity. The current collector is crafted with an electrically conductive layer containing particles that are fixed to a corrosion-resistant and water-repellent resin, thereby improving the performance and durability of fuel cells.
Another significant patent pertains to a nickel positive electrode for fiber batteries. This innovation ensures a long-life duration while enabling high output and capacity. The manufacturing process includes coating carbon fibers with nickel, employing cathodic polarization in a nickel nitrate bath, and treating the deposited precipitate in an aqueous caustic alkali solution, leading to enhanced battery performance.
Career Highlights
Throughout his career, Tsutomu Iwaki has worked with notable organizations such as Matsushita Electric Industrial Co., Ltd. and the National Institute of Advanced Industrial Science and Technology. His time at these esteemed institutions has undoubtedly influenced his innovative approach and research in the fields he specializes in.
Collaborations
Iwaki has collaborated with distinguished colleagues, including Yoshio Moriwaki and Hajime Seri. These partnerships have facilitated the exchange of ideas and propelled research efforts that have resulted in groundbreaking innovations and patents.
Conclusion
Tsutomu Iwaki's contributions to the realms of fuel cells and fiber batteries exemplify the transformative power of innovation. With a robust patent portfolio and significant collaborations, he continues to push the boundaries of technology, paving the way for future advancements in energy solutions. His work stands as an inspiration for aspiring inventors and researchers aiming to make meaningful impacts in their fields.