Location History:
- Amagasaki, JP (1986 - 1997)
- Hyogo, JP (2006)
- Tokyo, JP (2002 - 2023)
Company Filing History:
23 out of 15,906 
9 out of 21,351 
Years Active: 1986-2025
Title: Exploring the Innovations of Seiji Oka in Semiconductor Technology
Introduction: Seiji Oka is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to semiconductor technology. With a remarkable portfolio of 31 patents, Oka has been pivotal in advancing the performance and efficiency of power devices used in various electronic applications.
Latest Patents: Oka's latest inventions showcase his expertise in semiconductor devices and power conversion technology. One of his recent patents describes a semiconductor device that features a unique arrangement of power supply terminals and switching elements designed to enhance current flow efficiency. The design offers improved operation by ensuring a counter-current flow between the facing portions of the power supply terminals.
Another innovative patent involves a power semiconductor device that integrates an emitter electrode with a conductive layer. This design is enhanced with a sintered metal layer that provides superior heat conductivity and better adhesion, facilitating improved heat dissipation. These advances are crucial for enhancing the reliability and performance of power semiconductor devices.
Career Highlights: Throughout his career, Seiji Oka has held significant positions in leading companies, including Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His work in these respected organizations has allowed him to develop and refine his patented technology, contributing to the wider field of electronics and power management.
Collaborations: Oka has collaborated with other accomplished professionals, including his coworkers Yoshiko Obiraki and Takeshi Oi. Together, they have contributed to innovative projects that push the boundaries of semiconductor technology, enabling more efficient and effective devices.
Conclusion: Seiji Oka's impressive portfolio of patents and collaborative efforts underscores his vital role in the field of semiconductor technology. His inventions not only enhance the performance of power devices but also represent a significant step forward in the ongoing evolution of electronic components. As technology continues to advance, Oka's work will undoubtedly leave a lasting impact on the industry.