Location History:
- Kanagawa, JP (2005 - 2015)
- Kawasaki, JP (2008 - 2017)
Company Filing History:
Years Active: 2005-2017
Title: **Innovator Yasushi Washio: Pioneering Advances in Photosensitive Resin Technology**
Introduction
Yasushi Washio is a distinguished inventor based in Kawasaki, Japan, recognized for his contributions to the field of photosensitive resin compositions. With a portfolio of 11 patents, Washio has been instrumental in creating innovative solutions that address challenges in resist patterns for metal substrates.
Latest Patents
Among his latest patents, Washio has developed a **Chemically Amplified Positive-Type Photosensitive Resin Composition**. This invention aims to suppress the phenomenon of footing, where the width of the bottom side of a resist pattern becomes narrower than the top side. His formulation includes a mercapto compound, an acid generator that produces acid when irradiated, and a resin whose solubility in alkali increases under acid action.
Another significant achievement is the **Method for Producing Thick Film Photoresist Pattern**. This method involves laminating a thick photoresist layer with a chemically amplified positive-type photoresist on a support, followed by irradiation and development to obtain a thick film resist pattern. The composition is notably efficient, containing an organic solvent with specific properties that facilitate optimal performance.
Career Highlights
Yasushi Washio's career at Tokyo Ohka Kogyo Co., Ltd. has been marked by notable advancements in photosensitive materials and processes. His innovative spirit and dedication have propelled the company to the forefront of the industry. His expertise not only enhances the products but also sets new standards for quality and efficiency in the production of resist patterns.
Collaborations
Washio collaborates closely with talented colleagues, including Koji Saito and Kazuhide Uno. Together, they form a dynamic team that fosters creativity and innovation, bringing numerous technological advancements to fruition. Their combined efforts significantly contribute to the research and development of cutting-edge materials in the field.
Conclusion
In summary, Yasushi Washio is a prominent figure in the realm of photosensitive resin compositions, with a solid foundation of patents reflecting his innovative contributions. His work at Tokyo Ohka Kogyo Co., Ltd. and collaborations with colleagues further exemplify his commitment to pushing boundaries in the field of materials science. The impact of his inventions continues to resonate within the industry, paving the way for future advancements.
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.