Location History:
- Yokohama, JP (1989 - 1997)
- Utsunomiya, JP (1998 - 2009)
Company Filing History:
38 out of 2,887 
6 out of 90,594 
Years Active: 1989-2009
Title: The Innovative Mind of Hirohiko Shinonaga
Introduction
Hirohiko Shinonaga, based in Yokohama, Japan, stands out in the field of optical engineering and device manufacturing. He is an accomplished inventor with an impressive portfolio of 44 patents, showcasing his dedication to advancing technology in exposure apparatus and manufacturing methods.
Latest Patents
Among his latest contributions to the field are two notable patents. The first is an exposure apparatus and method, which involves exposing a substrate by scanning a reticle and substrate relative to each other. This apparatus comprises a projection optical system that projects the reticle's pattern onto a substrate, equipped with a field stop to define a slit-shaped exposure area which can adjust its length in the scanning direction based on changes orthogonal to said direction.
The second patent pertains to a catadioptric projection optical system designed for device fabrication. This innovative system includes multiple lens groups and a concave mirror to facilitate the formation of images onto a second object. The unique design features deflective reflectors strategically placed between the lens groups to enhance the imaging capability, achieving improved intermediate images necessary for precise manufacturing.
Career Highlights
Hirohiko Shinonaga's career includes significant tenures at renowned companies such as the Victor Company of Japan, Limited and Canon Inc. His work within these esteemed organizations has allowed him to develop and refine his inventions, contributing to advancements in optical technology.
Collaborations
Throughout his career, Shinonaga has had the opportunity to collaborate with talented individuals, including Itsuo Takanashi and Shintaro Nakagaki. These partnerships have fostered an environment of innovation and creativity, leading to groundbreaking developments in their respective fields.
Conclusion
Hirohiko Shinonaga's contributions to the world of technology through his inventions and patents have had a profound impact on the industry. With a rich career filled with notable achievements and collaborations, he continues to pave the way for future innovations in device manufacturing and optical systems. His work exemplifies the spirit of invention and the pursuit of knowledge in the realm of engineering.
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.