Company Filing History:
Years Active: 2017-2019
Title: Weitao Cheng: Innovator in Semiconductor Technology
Introduction
Weitao Cheng is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on the development of advanced semiconductor devices that enhance performance and efficiency.
Latest Patents
Cheng's latest patents include innovative designs for semiconductor devices. The first patent describes a semiconductor device that features a diode with a drift layer of a first conductivity type. This device includes a cathode region on the back face of the drift layer, a second conductivity type region in the surface layer, and multiple trenches that divide the second conductivity type region. The design also incorporates a gate insulation film, a gate electrode, and both upper and lower electrodes connected to the anode and cathode regions, respectively. The mesa width between the trenches is defined to be equal to or greater than 0.3 μm.
The second patent focuses on a semiconductor device that integrates an IGBT section with a vertical IGBT and a diode section. This diode section includes a hole injection reduction layer with a first conductivity type, which is arranged in the upper layer of the drift layer. This layer extends deeper than the anode region and has a carefully controlled impurity concentration, enhancing the overall functionality of the device.
Career Highlights
Weitao Cheng is currently employed at Denso Corporation, where he continues to push the boundaries of semiconductor technology. His work has been instrumental in developing devices that are crucial for various applications in the automotive and electronics industries.
Collaborations
Cheng collaborates with notable colleagues, including Shigeki Takahashi and Masakiyo Sumitomo. Their combined expertise contributes to the innovative projects at Denso Corporation.
Conclusion
Weitao Cheng is a key figure in semiconductor innovation, with a focus on developing advanced devices that improve efficiency and performance. His contributions to the field are significant, and his patents reflect his commitment to technological advancement.