This inventor holds 5 USPTO granted patents and 6 published patent applications. Top assignees: Fuji Electric., Ltd., Fuji Electric Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Takuya Yamada: Innovator in Semiconductor Technology
Introduction
Takuya Yamada is a prominent inventor based in Matsumoto, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on innovative semiconductor devices and manufacturing methods that enhance performance and efficiency.
Latest Patents
Yamada's latest patents include a semiconductor device and a manufacturing method. The first patent describes a semiconductor device that features a first trench contact portion within a contact region and a second trench contact portion within an emitter region. It also includes a first plug portion of a second conductivity type, which is in contact with the lower end of the first trench contact portion and has a higher concentration than the base region. Additionally, a second plug portion of a second conductivity type is provided in contact with the lower end of the second trench contact portion, positioned closer to the lower surface than the first plug portion, and also has a higher concentration than the base region.
The second patent outlines a semiconductor device where one mesa portion of two mesa portions in contact with a gate trench portion is designated as the active mesa portion. This active mesa portion contains an emitter region of a first conductivity type with a doping concentration higher than that of a drift region. The other mesa portion is a dummy mesa portion that lacks an emitter region, resulting in a dummy contact resistance that is significantly higher than the active contact resistance.
Career Highlights
Takuya Yamada is currently employed at Fuji Electric Co., Ltd., where he continues to develop cutting-edge semiconductor technologies. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and reliable.
Collaborations
Yamada has collaborated with notable colleagues, including Yosuke Sakurai and Seiji Noguchi. Their combined expertise has contributed to the successful development of innovative semiconductor solutions.
Conclusion
Takuya Yamada is a key figure in the semiconductor industry, recognized for his innovative patents and contributions to technology. His work at Fuji Electric Co., Ltd. and collaborations with esteemed colleagues highlight his commitment to advancing semiconductor technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile