This inventor holds 5 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1989-2008.
Location History:
- Kawasaki, JP (1989 - 1993)
- Yokohama, JP (1997 - 2008)
Company Filing History:
Years Active: 1989-2008
Title: Yuwa Ishii: Innovator in Surface Inspection Technology
Introduction
Yuwa Ishii is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technology, particularly in surface inspection apparatuses and optical disks. With a total of 5 patents to his name, Ishii continues to push the boundaries of innovation in his field.
Latest Patents
Ishii's latest patents include a surface inspection apparatus and method, as well as an exposure system. The surface inspection apparatus features an illumination means that uses linearly polarized light to illuminate patterns formed through a specific process. This apparatus is designed to extract a polarization component from specularly reflected light, allowing for detailed imaging of the substrate's surface. Additionally, he has developed an optical disk capable of recording information on both land and groove tracks, which includes pits and islands formed with precise dimensions.
Career Highlights
Yuwa Ishii is currently employed at Nikon Corporation, a leading company in imaging and optical products. His work at Nikon has allowed him to collaborate on various innovative projects that enhance the capabilities of optical technologies.
Collaborations
Ishii has worked alongside notable colleagues, including Hiroshi Ooki and Hisaharu Kaneko. Their combined expertise has contributed to the advancement of technologies in their respective fields.
Conclusion
Yuwa Ishii's contributions to surface inspection technology and optical disks highlight his role as a key innovator in the industry. His patents reflect a commitment to advancing technology and improving the precision of optical systems.