Company Filing History:
Years Active: 2015
Title: Keiichi Shimada: Innovator in Semiconductor Technology
Introduction
Keiichi Shimada is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of semiconductor technology, showcasing his expertise through innovative designs and patents.
Latest Patents
One of Keiichi Shimada's key patents is a semiconductor device that features a unique structure. This device includes a first contact plug with a diametric dimension of its upper end portion greater than that of its lower end portion. Additionally, it incorporates a first insulating film above a substrate that covers the first plug. The design also includes a second contact plug, which has a diametric dimension of its upper end portion less than that of its lower end portion, with the lower end portion contacting the upper end portion of the first plug. Furthermore, the device is equipped with a second insulating film above the first insulating film and the first plug, covering the second plug. A wiring layer is included, with its lower end portion contacting the upper end portion of the second plug. Finally, a third insulating film is positioned above the second insulating film and the second plug, covering the wiring layer. Notably, the upper end portion of the first plug displaced from the lower end portion of the second plug has a step.
Career Highlights
Keiichi Shimada is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to develop and refine his innovative ideas in semiconductor devices.
Collaborations
Throughout his career, Keiichi has collaborated with talented coworkers, including Hajime Kaneko and Takamasa Usui. These collaborations have contributed to the advancement of technology in their respective fields.
Conclusion
Keiichi Shimada's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in technology and semiconductor devices.
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.