Location History:
- Tokyo, JP (1986)
- Machida, JP (1983 - 1992)
Company Filing History:
2 out of 6 
1 out of 172 
1 out of 17 Years Active: 1983-1992
Title: Innovations by Yuji Muramatsu
Introduction
Yuji Muramatsu is a notable inventor based in Machida, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of surge absorption devices and anti-overvoltage protectors. With a total of three patents to his name, Muramatsu's work showcases his expertise and innovative spirit.
Latest Patents
One of Muramatsu's latest patents is a surge absorption device. This device fundamentally includes a first semiconductor region, a second semiconductor region forming a pn junction with the first region, a third region determining the effective thickness of the second region, and a fourth region that forms an injection junction. This design allows for the effective absorption of minority carriers, constituting the device current when a depletion layer is formed.
Another significant patent is the anti-overvoltage protector. This device features a pair of main electrodes that are hermetically mounted onto an insulative cylindrical member. The main electric discharge surfaces of the electrodes oppose each other, creating a trigger electric discharge gap. The design ensures that the electrodes are made of materials with different thermal coefficients of expansion, allowing for effective operation under varying conditions.
Career Highlights
Throughout his career, Yuji Muramatsu has worked with several prominent organizations. He has been associated with Kabushiki Kaisha Sankosha and the Agency of Industrial Science and Technology, Ministry of International Trade and Industry. His experience in these institutions has contributed to his innovative developments in electrical devices.
Collaborations
Muramatsu has collaborated with notable colleagues, including Daizo Shigemori and Yutaka Hayashi. Their combined expertise has likely fostered an environment of creativity and innovation, leading to the successful development of advanced technologies.
Conclusion
Yuji Muramatsu's contributions to the field of electrical engineering through his patents reflect his innovative mindset and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.