Takehiko Omi

Title: Innovations by Takehiko Omi: Advancements in Fuel Cell Technology

Introduction: Takehiko Omi, an accomplished inventor based in Chiba, Japan, has made significant contributions to the field of fuel cell technology. With a total of three patents to his name, Omi's work focuses on enhancing the performance and efficiency of fuel cells, particularly in applications involving direct methanol.

Latest Patents: Omi's latest patents showcase his inventive prowess centered around a binder for fuel cells, a composition for forming electrodes, and the development of an electrode and fuel cell using these components. His innovative binder exhibits high adhesion, low methanol solubility, high methanol permeability, and high proton conductivity. This advanced binder is particularly well-suited for direct methanol type fuel cells, which necessitate efficient proton conductivity. The binder comprises a block copolymer that includes a repeating structural unit of a divalent aromatic group containing a protonic acid group, as well as a unit that lacks it, with a glass transition temperature (Tg) of 180°C or less. Optimal performance is seen with block copolymers having an ion exchange group equivalent ranging from 200 to 1,000 g/mole and retaining 90% weight or more when immersed in a 64 weight % aqueous methanol solution at 25°C for 24 hours.

Additionally, Omi holds a patent for an antenna core created by shaping soft magnetic metal powder with a resin binder. This antenna core utilizes amorphous soft magnetic metal powder or those containing nanocrystals. The composition is detailed with specific atomic ratios and percentages, ensuring high quality and performance in applications.

Career Highlights: Takehiko Omi is currently employed at Mitsui Chemicals, Inc., where he applies his expertise to further innovations in electronic and energy technologies.

Collaborations: Throughout his career, Omi has worked alongside esteemed colleagues, including Junichi Ishikawa and Satoko Fujiyama. Their collaborative efforts contribute to advancing research and development in their respective fields.

Conclusion: Takehiko Omi stands out as a prominent inventor in the domain of fuel cell technology. His patented innovations reflect his dedication to improving energy solutions through effective materials and design. With ongoing research and collaboration at Mitsui Chemicals, Inc., Omi's work continues to pave the way for advancements in sustainable energy technologies.