Location History:
- Machidashi, JP (1982)
- Tokyo, JP (1986)
- Machida, JP (1984 - 1989)
- Nishi-kubiki-gun, JP (2000)
Company Filing History:
Years Active: 1982-2000
Title: Inventor Hirotoshi Hagiwara: A Pioneer in Concrete and Thermionic Cathode Technologies
Introduction
Hirotoshi Hagiwara, an esteemed inventor based in Machida, Japan, has made significant contributions to the fields of construction materials and electron emission technology, holding a total of seven patents. His innovative approach to problem-solving has marked him as a notable figure in the engineering community.
Latest Patents
Among Hagiwara's latest inventions is the "Process for producing a concrete product," which details a method of creating superior concrete by initially mixing a super dry consistency concrete and subsequently preparing a secondary concrete with additional components such as water, a water-reducing agent, and a setting accelerator. This sequential approach results in enhanced properties of the concrete product through careful remixing and molding techniques.
Another noteworthy invention is his "Thermionic cathode structure," designed to feature two parallel thermionic electron emitter elements. These elements are made from a heat-resistant and electrically conductive inorganic compound. Each emitter has one end closed off and the other serves as a current feeding port, enabling efficient electron emission.
Career Highlights
Hagiwara has worked with notable companies such as Denki Kagaku Kogyo Co., Ltd. and Haneda Humepipe Co., Ltd. His diverse experiences in these reputable organizations have not only honed his skills but also advanced his knowledge in innovative engineering solutions.
Collaborations
Throughout his career, Hagiwara has collaborated with exceptional professionals, including Masaji Ishii and Hideo Hiraoka. These collaborations have played a substantial role in enhancing the technologies he has developed, showcasing the importance of teamwork in the realm of innovation.
Conclusion
Hirotoshi Hagiwara's contributions to technology through his patented inventions demonstrate his commitment to innovation and engineering excellence. His work continues to influence the fields of concrete production and thermionic technology, marking him as a leading inventor in his domains.