Tokorozawa, Japan

Yasuhiro Kageyama

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignee: Citizen Holdings Company, Ltd.. Active years: 2010-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Kageyama. Retrieved from https://idiyas.com/inventor/yasuhiro-kageyama

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


% Patents Active = 33.3


Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 2010-2011

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3 patents (USPTO):Explore Patents

Title: Yasuhiro Kageyama: Innovator in Autofocus Technology

Introduction

Yasuhiro Kageyama is a prominent inventor based in Tokorozawa, Japan. He has made significant contributions to the field of optical technology, particularly in autofocus devices. With a total of 3 patents to his name, Kageyama's work has advanced the capabilities of imaging systems.

Latest Patents

Kageyama's latest patents include an innovative autofocus device that detects focus points using a liquid crystal lens. This device applies a predetermined voltage to the lens, generating image signals based on optical images during transient response operations. By sampling these image signals at specific cycles, multiple focus signals are extracted, allowing for rapid detection of the focus point. Another notable patent is for an automatic focusing apparatus that utilizes a liquid crystal lens to achieve high-speed focus detection. This apparatus includes a focus signal extracting unit and a focusing point adjusting unit, which work together to ensure optimal focusing performance.

Career Highlights

Yasuhiro Kageyama is currently employed at Citizen Holdings Company, Ltd., where he continues to develop cutting-edge optical technologies. His work has been instrumental in enhancing the performance of autofocus systems, making them more efficient and effective for practical use.

Collaborations

Kageyama has collaborated with talented coworkers such as Tomohiro Ando and Yuichi Kato. Their combined expertise has contributed to the successful development of innovative optical solutions.

Conclusion

Yasuhiro Kageyama's contributions to autofocus technology exemplify the impact of innovation in the field of optics. His patents reflect a commitment to advancing imaging systems, making significant strides in the industry.

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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