Kawasaki, Japan

Nobumichi Kanayamaya

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Nikon Corporation. Active years: 2001-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobumichi Kanayamaya. Retrieved from https://idiyas.com/inventor/nobumichi-kanayamaya

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 101(Granted Patents)


Company Filing History:


Years Active: 2001-2003

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2 patents (USPTO):Explore Patents

Title: Innovations by Nobumichi Kanayamaya: A Pioneer in Illumination Technology

Introduction: Nobumichi Kanayamaya, an innovative inventor based in Kawasaki, Japan, has made significant contributions in the field of optical engineering. With a total of two patents to his name, Kanayamaya has focused on developing advanced illumination systems that enhance projection imaging technology. His work not only reflects his technical prowess but also emphasizes the importance of innovation in improving optical systems.

Latest Patents: Kanayamaya's latest patents include a "Method and apparatus for illuminating a surface using a projection imaging apparatus." This invention outlines a method and illumination optical system that forms a modified illumination configuration on an optical integrator. It minimizes light loss while employing a light beam shape changing element that diffuses illumination in multiple directions. The angular light beam forming element collaborates with these components to create a refined secondary light source with optimized configurations.

Another notable patent is the "Illumination optical apparatus and projection exposure apparatus." This device reduces coherence in the illumination light beam, thereby eliminating illumination non-uniformities at both the mask and wafer. The system utilizes a coherent light source capable of generating a light beam and incorporates a depolarizer along with optical delay elements to enhance the quality of illumination during the projection process.

Career Highlights: As an integral member of Nikon Corporation, Kanayamaya's expertise in optical systems has been pivotal in advancing the capabilities of their products. His inventions have pushed the boundaries of imaging technology, contributing to the evolution of high-resolution projection techniques used in various applications.

Collaborations: Throughout his career, Kanayamaya has collaborated with notable professionals in his field, including his coworkers Osamu Tanitsu and Masato Shibuya. These collaborations have fostered an environment of creativity and innovation, enabling the development of groundbreaking technologies that continue to impact the optical engineering industry.

Conclusion: Nobumichi Kanayamaya stands out as a noteworthy inventor whose dedication to innovation in illumination technology paves the way for advancements in optical systems. With his patents highlighting significant improvements in projection imaging, he exemplifies the potential of innovation to enhance technology and improve operational efficiencies in various industries.

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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