Company Filing History:
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Years Active: 2007-2015
Title: Tetsuya Shirasu: Innovator in Semiconductor Technology
Introduction
Tetsuya Shirasu is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His innovative methods have advanced the fabrication processes of semiconductor devices, showcasing his expertise and dedication to the industry.
Latest Patents
Shirasu's latest patents include a method for fabricating semiconductor devices. This method involves several steps: depositing an insulating film on a semiconductor substrate, forming a recess in the insulating film, depositing a conductive film while filling the recess, and polishing the conductive film. The polishing step is particularly noteworthy as it includes two substeps using different polisher pads conditioned with distinct dressers. Another significant patent focuses on a method for manufacturing semiconductor devices, which includes depositing an interconnect material over an insulating film and polishing it using a controlled polishing liquid. The oxidation-reduction potential of the polishing liquid is carefully managed to ensure optimal results.
Career Highlights
Throughout his career, Tetsuya Shirasu has worked with notable companies such as Fujitsu Corporation and Fujitsu Semiconductor Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Shirasu has collaborated with esteemed colleagues, including Toshiyuki Karasawa and Nobuhiro Misawa. These partnerships have fostered an environment of innovation and have led to the development of cutting-edge technologies in the semiconductor field.
Conclusion
Tetsuya Shirasu's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the advancement of semiconductor fabrication methods, ensuring that he remains a significant figure in this vital 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.