Location History:
- Nagano, JP (2004 - 2012)
- Yamanashi, JP (2012 - 2015)
- Minami-Alps, JP (2017)
- Tokyo, JP (2011 - 2018)
- Matsumoto, JP (2010 - 2019)
Company Filing History:
19 out of 4,819 
4 out of 152 
1 out of 241 
Years Active: 2004-2019
Title: **Shunji Takenoiri: A Pioneer in Semiconductor Technology**
Introduction
Shunji Takenoiri, a notable inventor based in Nagano, Japan, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 25 patents, he continues to innovate and improve semiconductor manufacturing processes.
Latest Patents
Among his latest patents is a groundbreaking **Method of Manufacturing Semiconductor Device**. This method involves the creation of a semiconductor layer of a first conductivity type, along with a parallel pn layer crafted on the semiconductor layer. The pn layer consists of first semiconductor regions of the first conductivity type and second semiconductor regions of a second conductivity type, arranged alternately and parallel to the surface of the semiconductor layer. This inventive process includes various steps of epitaxial growth and ion implantation, ensuring enhanced performance and efficiency in semiconductor device manufacturing.
Another notable patent is the **Semiconductor Device** itself, which features a first parallel pn layer with alternately arranged n-type and p-type regions within an element active portion. The design includes a striped planar layout for efficient electrical characteristics. In addition, a second parallel pn layer configured similarly exists within a high voltage structure. This advanced architecture is further complemented by an intermediate region consisting of additional pn layers with lower impurity concentrations, enhancing the device's operational capability.
Career Highlights
Shunji Takenoiri has held significant positions in reputed organizations, notably with Fuji Electric Co., Ltd. and Fuji Electric Device Technology Co., Ltd. His tenure in these companies has allowed him to refine his expertise and contribute to revolutionary advancements in semiconductor technologies.
Collaborations
Throughout his career, Shunji has collaborated with esteemed colleagues, including Yasushi Sakai and Toshiaki Sakata. These partnerships have enriched his research endeavors and fostered innovative solutions within the semiconductor industry.
Conclusion
Shunji Takenoiri’s dedication to innovation in semiconductor manufacturing is exemplified through his extensive patent portfolio and collaborative efforts. His work not only reflects his expertise but also contributes to the ongoing evolution of technology in the electronics sector. As he continues to pioneer advancements, the impact of his inventions will likely resonate for years to come.