This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Ulvac Coating Corporation, Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Denki Kabushiki. Active years: 2002-2006.
Company Filing History:
4 out of 15 
3 out of 21,351 
1 out of 26 
Years Active: 2002-2006
Title: Takaei Sasaki: Innovator in Semiconductor Technology
Introduction
Takaei Sasaki is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the area of dry-etching methods for photomasks. With a total of 6 patents to his name, his work has had a substantial impact on the manufacturing processes of semiconductor circuits.
Latest Patents
Sasaki's latest patents include a method and apparatus for dry-etching half-tone phase-shift films and photomasks. His innovative approach involves using a mixed gas as an etching gas, which includes a reactive ion etching gas and a reducing gas. This method allows for the production of high-precision patterns on photomasks, which are essential for transferring designs onto semiconductor wafers. The dry-etching technique he developed minimizes dimensional differences caused by the coexistence of coarse and dense patterns, enhancing the quality of the final product.
Career Highlights
Throughout his career, Takaei Sasaki has worked with notable companies such as Ulvac Coating Corporation and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in semiconductor manufacturing technologies.
Collaborations
Sasaki has collaborated with esteemed colleagues, including Noriyuki Harashima and Shouichi Sakamoto. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Takaei Sasaki's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a key figure in the industry. His work continues to influence the manufacturing processes of semiconductor circuits, showcasing the importance of innovation in technology.