Location History:
- Miyagi, JP (2000)
- Nagano, JP (2011)
- Meguro-ku, JP (2020 - 2022)
- Tokyo, JP (1993 - 2024)
Company Filing History:
8 out of 35,734 
7 out of 1,458 
4 out of 45 
Years Active: 1993-2024
Title: Masahiro Yamaguchi: Innovator in Electromagnetic Devices and Semiconductor Technology
Introduction
Masahiro Yamaguchi is an esteemed inventor based in Tokyo, Japan, known for his significant contributions to the fields of electromagnetic braking devices and semiconductor technology. With a remarkable portfolio of 34 patents, Yamaguchi has been instrumental in advancing technological innovation.
Latest Patents
Two of his latest inventions demonstrate his expertise in cutting-edge technology. The first is a **motor-specific electromagnetic braking device**, designed to enhance the efficiency and functionality of motors. This device features a housing that accommodates a rotating shaft portion of a motor and includes a hub and a friction member that rotate together, enhancing the braking mechanism's effectiveness.
The second patent is a **semiconductor device having through silicon vias and the manufacturing method thereof**. This innovation includes a complex arrangement of insulating layers and penetration electrodes, allowing for improved integration of electronic components and enhanced performance in semiconductor applications.
Career Highlights
Throughout his career, Masahiro Yamaguchi has worked with notable companies, including NEC Corporation and Elpida Memory, Inc. His work in these organizations has been pivotal in the development of various innovative technologies in the semiconductor and electromagnetic fields.
Collaborations
Yamaguchi has collaborated with brilliant minds in the industry, including Ryohei Kitada and Nagaaki Ohyama. These collaborations have not only enriched his work but have also led to significant advancements in their respective fields.
Conclusion
Masahiro Yamaguchi's impressive patent portfolio and his commitment to innovation underscore his role as a significant contributor to technology. His work continues to influence the development of new devices and systems within electrical engineering and semiconductor technologies, ensuring his place at the forefront of engineering innovation.