Company Filing History:
Years Active: 1994-2009
Title: Yasuhiro Yoshitaka: Innovator in Semiconductor Technology
Introduction
Yasuhiro Yoshitaka is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 10 patents. His innovative work has advanced the methods used in the production of semiconductor devices.
Latest Patents
Yoshitaka's latest patents include an exposure apparatus and method for semiconductor device production. One of his patents describes a production method that involves exposing a resist coated on a substrate by projecting a light pattern. This process includes developing the resist to form a wafer pattern and etching the substrate. The light pattern is created using excimer laser light with an annular shape. Another patent outlines a similar production method, where the light pattern is projected through an object lens and formed by excimer laser light emitted from an annular-shaped light source, passing through a mask with a phase shifter.
Career Highlights
Throughout his career, Yasuhiro Yoshitaka has worked with notable companies such as Hitachi, Ltd. and Renesas Technology Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Yoshitaka has collaborated with several talented individuals in his field, including Minori Noguchi and Yukio Kenbo. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Yasuhiro Yoshitaka's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the production methods of semiconductor devices, showcasing the importance of innovation in technology.