Company Filing History:
12 out of 35,658 
2 out of 832,680 Years Active: 1995-2004
Title: The Innovative Mind of Yoshimi Shiramizu: Revolutionizing Semiconductor Cleaning
Introduction: Yoshimi Shiramizu, an accomplished inventor based in Tokyo, Japan, has made significant strides in the field of semiconductor technology. With a portfolio of 14 patents, Shiramizu focuses on innovative solutions for cleaning semiconductor devices, enhancing the efficiency and reliability of these crucial components in modern electronics.
Latest Patents: Among her most recent inventions is the "Apparatus for Cleaning Semiconductor Device." This cutting-edge cleaning apparatus effectively removes organic matters such as phthalates from the surface of semiconductor substrates while preventing the growth of a natural oxide film. It features a device that emits vacuum ultraviolet light in the wavelength range of 165 to 179 nm, used in an atmosphere of oxygen or air, to decompose and eliminate contaminants.
Another notable patent, "Method of Producing Samples of Semiconductor Substrate with Quantified Amount of Contamination," showcases her expertise in material contamination control. This method involves dipping a semiconductor substrate into a treatment liquid with a controlled pH to create samples contaminated with precise levels of metal impurities. Alternatively, substrates can be placed in a hermetic container with specific organic matter to produce vapor-based contamination.
Career Highlights: Yoshimi Shiramizu has built a remarkable career at NEC Corporation, contributing to advancements in semiconductor technology. Her innovative work has set new benchmarks in the industry, ensuring that cleaning methods remain at the forefront of technological progress.
Collaborations: Throughout her career, Shiramizu has collaborated with talented individuals, including Masaharu Nakamori and Hidemitsu Aoki. These partnerships have facilitated the exchange of ideas and accelerated the development of her groundbreaking inventions.
Conclusion: Yoshimi Shiramizu stands out as a pioneering figure in semiconductor innovation. With her impressive collection of patents and collaborations with esteemed professionals, she continues to push the boundaries of semiconductor cleaning technology. Shiramizu's work not only enhances the performance of semiconductor devices but also sets a foundation for future advancements in the 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.