Location History:
- Tachikawa, JP (2005)
- Tokyo, JP (2007 - 2009)
- Hachioji Tokyo, JP (2017 - 2018)
- Hachioji, JP (2011 - 2021)
Company Filing History:
9 out of 52,735 
1 out of 10,092 
1 out of 304 Years Active: 2005-2021
Title: Nobumitsu Tada: Innovator in Semiconductor and Power Conversion Technologies
Introduction
Nobumitsu Tada is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the fields of semiconductor devices and vehicle power conversion technologies. With a total of nine patents to his name, Tada's work has had a considerable impact on modern technology.
Latest Patents
One of Tada's latest patents is a semiconductor device that includes a first metal plate, a second metal plate, and two or more semiconductor units. These semiconductor units are strategically disposed on the first metal plate, with each unit comprising a first metal member, a second metal member, and a semiconductor element. Notably, the surface area of the first connection surface is greater than that of the active region opposing it, enhancing the device's efficiency.
Another significant patent is for a vehicle power conversion device, which features a two-level converter, a three-level converter, and a cooling device. The two-level converter consists of a capacitor and various switching devices, while the three-level converter includes two capacitors and additional switching devices. This innovative design ensures that the power modules have dielectric strength voltages that meet the necessary requirements for optimal performance.
Career Highlights
Throughout his career, Nobumitsu Tada has worked with notable companies such as Toshiba Corporation and Honda Motor Co., Ltd. His experience in these leading organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the semiconductor and automotive industries.
Collaborations
Tada has collaborated with esteemed colleagues, including Hiroki Sekiya and Toshiharu Obu. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced technologies.
Conclusion
Nobumitsu Tada's contributions to semiconductor devices and vehicle power conversion technologies highlight his role as a key innovator in the field. His patents reflect a commitment to advancing technology and improving efficiency in various applications.