Company Filing History:
Years Active: 2001-2003
Title: Innovations of Tatsuhiko Fujihira: A Visionary in Semiconductor Technology
Introduction
Tatsuhiko Fujihira, an esteemed inventor based in Nagano, Japan, has made significant contributions to the field of semiconductor technology. With two patents to his name, Fujihira's work focuses on advanced depletion type MOS semiconductor devices and their applications in power integrated circuits.
Latest Patents
Fujihira's latest patents include a groundbreaking depletion type MOS semiconductor device and a MOS power integrated circuit (IC). The depletion type MOS semiconductor device is designed to include a p well region within an n drift layer, featuring an n emitter region and a specialized n depletion region. This design allows for efficient electron flow and enhanced performance. Additionally, the MOS power IC integrates the depletion type MOS device with a vertical MOSFET or IGBT, achieving a high breakdown voltage. It includes circuits that facilitate high-speed turn-on and turn-off operations, as well as power supply to internal control circuits, showcasing his innovative approach to improving semiconductor efficiency.
Career Highlights
Fujihira is affiliated with Fuji Electric Co., Ltd., a company renowned for its advancements in electric and semiconductor technologies. His research and resulting patents contribute significantly to the effectiveness and reliability of semiconductor devices within various applications.
Collaborations
Throughout his career, Fujihira has collaborated with talented individuals such as Kazuhiko Yoshida and Motoi Kudoh. These partnerships have enriched his work and led to the development of innovative solutions in semiconductor technology.
Conclusion
Tatsuhiko Fujihira stands out as a key figure in the advancement of semiconductor devices, particularly through his innovative patents. His work at Fuji Electric Co., Ltd. and collaborations with other experts showcase his dedication to pushing the boundaries of technology, making significant strides in the electrical engineering field.
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.