Company Filing History:
Years Active: 1995
Title: Akihisa Oishi: Innovator in Semiconductor Technology
Introduction
Akihisa Oishi, a notable inventor based in Hyogo, Japan, has made significant contributions to the field of semiconductor technology. With a focus on enhancing the accuracy of alignment marks in semiconductor devices, Oishi's work is integral to advancing the precision of electronic components.
Latest Patents
Oishi holds a patent for a "Semiconductor device having an alignment mark." This invention addresses the need for improved recognition of alignment marks, which are essential for the proper functioning of semiconductor devices. The patent describes a unique design in which a first interconnection layer is placed on a semiconductor substrate, while a second interconnection layer is positioned on an interlayer insulating film, allowing both layers to cross each other. The innovative feature includes a surface in the second interconnection layer that comprises a flat portion reflecting laser beams vertically, along with a section featuring concaves and convexes that reflect lasers irregularly. Together, these aspects create a highly effective alignment mark.
Career Highlights
Oishi is affiliated with Mitsubishi Denki Kabushiki Kaisha, a leading company in the electronics industry. His expertise in semiconductor devices reflects his dedication to enhancing technological capabilities within the company and the broader electronics sector.
Collaborations
Throughout his career, Oishi has collaborated with esteemed colleagues Tomoya Kawagoe and Mitsutaka Niiro. These partnerships have fostered innovative developments in semiconductor technology, underscoring the importance of teamwork in driving progress within the industry.
Conclusion
Akihisa Oishi's inventive spirit and contributions to semiconductor technology highlight the ongoing evolution in the field. His patent on the alignment mark stands as a testament to the creativity and technical skill required to solve complex challenges in electronics. As technology continues to advance, Oishi’s work exemplifies the pivotal role that inventors play in shaping the future.
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.