Yokohama, Japan

Yuuki Ishii

This inventor holds 6 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1999-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuuki Ishii. Retrieved from https://idiyas.com/inventor/yuuki-ishii-agym6j7q

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 33.3

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 70(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2003)
  • Yokohama, JP (1999 - 2011)

Company Filing History:


Years Active: 1999-2011

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6 patents (USPTO):Explore Patents

Title: Yuuki Ishii: A Leading Innovator in Exposure Technology

Introduction

Yuuki Ishii is a distinguished inventor based in Yokohama, Japan, known for his innovative contributions to the field of exposure technology. With a total of six patents to his name, Ishii has made significant advancements that enhance the efficiency and effectiveness of modern manufacturing processes.

Latest Patents

Among his latest patents, the "Immersion exposure apparatus and device manufacturing method with no liquid recovery during exposure" stands out. This inventive exposure apparatus utilizes a liquid to facilitate the exposure of a substrate placed on the image plane side of a projection optical system. Notably, the system features a liquid supply mechanism that distributes the liquid onto the substrate while implementing a unique design where the liquid recovery system is inactive during exposure. This innovation aims to improve overall efficiency in the exposure process.

Additionally, another significant patent introduced by Ishii is the "Control method, control system, and program." This invention focuses on optimizing the maintenance of apparatus performance through a systematic approach. By conducting predetermined measurements at set intervals, Ishii’s system collects data that helps in performing multivariate analysis to predict performance variations. This predictive capability empowers manufacturers to maintain peak performance while optimizing maintenance schedules.

Career Highlights

Yuuki Ishii is currently employed at Nikon Corporation, a leading multinational corporation renowned for its imaging and optical products. Through his strategic contributions, Ishii has positioned himself as a key figure within the company's innovative landscape. His expertise has been instrumental in developing technologies that drive progress in the photography and semiconductor manufacturing industries.

Collaborations

Throughout his career, Ishii has collaborated with other talented professionals in the field, including Masahiro Nei and Masahiko Yasuda. Together, they have worked on groundbreaking projects that push the boundaries of exposure technology and improve the efficacy of production methods.

Conclusion

Yuuki Ishii is a prominent inventor whose work continues to shape the landscape of exposure technology. With six patents and a commitment to innovation, Ishii’s contributions at Nikon Corporation and collaborations with industry peers underscore the impact of his inventions, paving the way for future advancements in the field. His perseverance and ingenuity position him as a vital player in the evolution of manufacturing technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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