Location History:
- Takasaki, JP (2002 - 2017)
- Takasakii, JP (2005 - 2017)
- Kanagawa, JP (2013 - 2017)
- Ibaraki, JP (2021 - 2022)
- Tokyo, JP (2022)
Company Filing History:
21 out of 7,524 
10 out of 30 
8 out of 3,781 
Years Active: 2002-2022
Title: Nobuo Machida: Pioneering Innovations in Semiconductor Technology
Introduction: Nobuo Machida, an esteemed inventor based in Takasaki, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 34 patents, his innovative designs and manufacturing methods continue to enhance the performance and efficiency of semiconductor devices.
Latest Patents: Among his latest patents is a groundbreaking semiconductor device and method of manufacturing the same, which aims to improve the on-resistance of semiconductor devices. This invention involves the strategic formation of a plurality of collector regions at predetermined intervals on the bottom surface of a drift layer composed of silicon carbide (SiC). Additionally, both the drift layer and the collector regions are connected to a collector electrode via a silicide layer. In another aspect of his recent patent, a Schottky barrier diode region is created between an n-type drift layer and a metal layer, while a body diode region includes multiple p-type semiconductor regions arranged from the main surface of the drift layer. Remarkably, the impurity concentration of these p-type regions is adjusted to increase the reflux current through the Schottky barrier diode, thus optimizing performance and preventing undesirable reflux currents through the body diode.
Career Highlights: Nobuo Machida has had a profound impact on the semiconductor industry through his work with prominent companies such as Renesas Electronics Corporation and Hitachi Tobu Semiconductor. His experiences in these organizations have allowed him to refine his expertise and push the boundaries of semiconductor technology.
Collaborations: Throughout his career, Machida has collaborated with notable professionals, including Hiroshi Inagawa and Kentaro Oishi. These partnerships have contributed to the innovative advancements in his research and development efforts.
Conclusion: Nobuo Machida's dedication to enhancing semiconductor technology through innovative patents showcases his status as a leading inventor in the field. His contributions not only push technological boundaries but also pave the way for future advancements in semiconductor efficiency and performance, proving that innovation is truly at the heart of progress.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.