This inventor holds 29 USPTO granted patents and 2 published patent applications, primarily in Photomask Technology. Top assignees: Hoya Corporation, Nec Corporation. Active years: 2004-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shinjuku-ku, JP (2012 - 2016)
- Tokyo, JP (2004 - 2021)
Company Filing History:
Years Active: 2004-2021
Areas of Expertise:
Title: Hiroyuki Iwashita: Innovator in Semiconductor Technology
Introduction
Hiroyuki Iwashita, based in Tokyo, Japan, is a prominent inventor with a remarkable portfolio of 29 patents. His innovations primarily focus on advancements in semiconductor technology, contributing significantly to the industry's evolution.
Latest Patents
Among his latest patents are groundbreaking advancements in mask technology. These include a mask blank and a phase shift mask, which facilitate the manufacturing of semiconductor devices. One noteworthy invention involves a mask blank that integrates a phase shift film with a transmittance of 20% or more, employing a complex stacked structure of low and high transmission layers. This innovative approach enhances the transmission of exposure light from ArF excimer lasers, showcasing Iwashita's expertise in material science and optics. Additionally, he developed a mask blank designed for producing transfer masks that enable efficient electron beam (EB) defect correction while minimizing the thickness of the light-shielding film.
Career Highlights
Hiroyuki Iwashita's career has been marked by significant contributions to leading corporations in the semiconductor field. He has worked for esteemed companies such as Hoya Corporation and NEC Corporation, where he has been influential in driving technological advancements and enhancing product performance. His patent portfolio reflects a deep understanding of semiconductor manufacturing processes and the challenges inherent to them.
Collaborations
Throughout his career, Iwashita has collaborated with notable professionals in the field, including Masahiro Hashimoto and Atsushi Kominato. These collaborations have helped foster innovation and advance semiconductor technologies, further solidifying his role as a key inventor in the industry.
Conclusion
Hiroyuki Iwashita's contributions to semiconductor technology through his patents and collaborations underscore his position as a leading inventor in the field. His work continues to shape the future of semiconductor manufacturing, paving the way for new innovations and improved processes. With a solid foundation of expertise and an impressive patent portfolio, Iwashita remains a pivotal figure in advancing technological boundaries.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile