Location History:
- Souwa, JP (1989)
- Sashima, JP (1993)
- Utsonomiya-City, Tochigi-Prefecture JP (1998)
- Utsunomiya, JP (1993 - 1999)
- Chiba, JP (2003 - 2004)
- Koga, JP (2013)
- Tokyo, JP (1997 - 2018)
Company Filing History:
5 out of 10 
4 out of 5 
3 out of 305 
Years Active: 1989-2018
Title: The Innovative Journey of Hiroshi Miyaji
Introduction
Hiroshi Miyaji is a distinguished inventor based in Tokyo, Japan, renowned for his significant contributions to the field of power storage devices. With a remarkable portfolio of 14 patents, Miyaji has been at the forefront of innovation, particularly in the development of activated carbon materials used in electrodes for energy storage.
Latest Patents
Miyaji's latest inventions include groundbreaking patents related to activated carbon for use in electrodes of power storage devices. One notable patent details a method for producing high-quality activated carbon. This process involves adding a curing catalyst to a phenolic resin, polyvinyl alcohol, a pore-forming agent, and a cross-linking agent. After mixing, casting, heating, and drying the mixture, the resulting plate-shaped porous phenolic resin is treated with an organic solvent before undergoing carbonization and activation at elevated temperatures.
Another significant patent focuses on an activated carbon designed for electrodes in power storage devices, possessing uniform consecutive macropores with a specific surface area ranging from 1,500 to 2,300 m²/g. The micropore volume and width specifications further enhance its performance, making it particularly suitable for electric double layer capacitors and lithium-ion capacitors that require robustness under high current and voltage scenarios.
Career Highlights
Throughout his career, Hiroshi Miyaji has worked with several esteemed companies, including Aion Co., Ltd. and Murakashi Lime Industry Co., Ltd. His innovative spirit and dedication to enhancing power storage technology have positioned him as an influential figure in the industry.
Collaborations
In his journey of innovation, Miyaji has collaborated with notable colleagues such as Teruo Urano and Masatsune Ogura. These partnerships have facilitated the exchange of ideas and have contributed significantly to the advancements in the field of power storage.
Conclusion
Hiroshi Miyaji continues to be an inspiration in the realm of innovation with his commitment to developing advanced materials for energy solutions. His patents and collaborative efforts exemplify the importance of creativity and teamwork in driving technological progress. As the world moves towards sustainable energy solutions, inventors like Miyaji play a crucial role in shaping the future.