Tokyo, Japan

Kazumi Chijiwa

This inventor holds 3 USPTO granted patents. Top assignee: Stanley Electric Co., Ltd. Active years: 2016-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumi Chijiwa. Retrieved from https://idiyas.com/inventor/kazumi-chijiwa

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016-2024

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3 patents (USPTO):Explore Patents

Title: Kazumi Chijiwa: Innovator in Light Guide Technology

Introduction

Kazumi Chijiwa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of light guide plates and related apparatuses. With a total of 3 patents to his name, Chijiwa continues to push the boundaries of innovation in lighting solutions.

Latest Patents

Chijiwa's latest patents include a light guide plate designed to reduce luminance unevenness. This innovative light guide plate features a base portion with a light incident surface and a series of convex lenses that enhance light distribution. Additionally, he has developed a surface light source device that incorporates a prism sheet with ridges designed to optimize light direction and efficiency. These advancements reflect his commitment to improving lighting technology.

Career Highlights

Kazumi Chijiwa has built a successful career at Stanley Electric Co., Ltd., where he has been instrumental in advancing the company's optical technologies. His work has not only contributed to the company's product offerings but has also set new standards in the industry. Chijiwa's expertise in light guide technology has made him a valuable asset to his team and the broader field of optical engineering.

Collaborations

Chijiwa has collaborated with notable colleagues, including Yoji Oki and Takeshi Asakura. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas. Together, they have worked on various projects that have furthered the development of advanced lighting solutions.

Conclusion

Kazumi Chijiwa's contributions to light guide technology exemplify his dedication to innovation and excellence. His patents and collaborative efforts continue to influence the field of optical technology, making him a key figure 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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