This inventor holds 49 USPTO granted patents and 19 published patent applications and 2 EPO patents, primarily in Nitride Semiconductors. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation, Alpad Corporation. Active years: 2013-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (2013 - 2016)
- Koganei, JP (2015 - 2018)
- Mitaka Tokyo, JP (2017 - 2018)
- Mitaka, JP (2016 - 2024)
Company Filing History:


Years Active: 2013-2026
Areas of Expertise:
Title: Jumpei Tajima: Pioneer in Nitride Semiconductor Innovations
Introduction
Jumpei Tajima, based in Mitaka, Japan, is a distinguished inventor with an impressive portfolio of 42 patents. His work revolves around advancements in nitride semiconductors, significantly impacting the semiconductor industry.
Latest Patents
Among his latest contributions are groundbreaking patents related to nitride semiconductors and semiconductor devices. One such patent outlines a nitride semiconductor design that incorporates a base body, a nitride member, and an intermediate region. This innovative semiconductor architecture features a first nitride region with Aluminum Gallium Nitride (AlGaN) compositions and a uniquely structured second nitride region. Furthermore, the intermediate region strategically includes nitrogen and carbon, enhancing performance characteristics.
His patent on a semiconductor device includes a sophisticated arrangement of first, second, and third electrodes, alongside multiple semiconductor layers and an insulating member. This multi-layered design facilitates improved electrical connectivity and efficiency, demonstrating Tajima's commitment to advancing semiconductor technology.
Career Highlights
Tajima's professional journey includes significant tenures at Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His work at these leading companies allowed him to hone his skills in semiconductor innovation, leading to the development of numerous patents that have set new standards in the industry.
Collaborations
Throughout his career, Jumpei Tajima has collaborated with esteemed colleagues, including Shinya Nunoue and Toshiki Hikosaka. These partnerships have fostered a rich exchange of ideas and innovations, contributing to the advancement of semiconductor technologies.
Conclusion
Jumpei Tajima stands out as a key figure in the realm of nitride semiconductors, with a substantial body of work that underscores his ingenuity and dedication. His continuous innovations not only enhance existing technologies but also pave the way for future developments in the semiconductor industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile