Sendai, Japan

Toshikazu Ijiro

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Photonic Lattice, Inc., Keio University, Sophia School Corporation. Active years: 2021-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Ijiro. Retrieved from https://idiyas.com/inventor/toshikazu-ijiro

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 = 4.8

ph-index = 1


Company Filing History:


Years Active: 2021-2022

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2 patents (USPTO):Explore Patents

Title: The Innovations of Toshikazu Ijiro

Introduction

Toshikazu Ijiro is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of optical elements and circuits, holding two patents that showcase his innovative approach to photonics. His work focuses on the manipulation of light, particularly in the context of circularly polarized light.

Latest Patents

Ijiro's latest patents include an optical element that features a quarter-wave plate formed on the X-Y plane and laminated in the Z-axis direction. This design allows for the separation and conversion of incoming circularly polarized light into two distinct outputs. The optical element also includes a volume-type design utilizing a self-cloning photonic crystal, which enhances its functionality. The grooves in the wave plates are uniquely curved, allowing for continuous variation in angle relative to the Y-axis.

Career Highlights

Throughout his career, Toshikazu Ijiro has worked with various companies, including Photonic Lattice, Inc. and Sophia School Corporation. His expertise in optical technologies has positioned him as a key figure in the development of advanced photonic devices.

Collaborations

Ijiro has collaborated with notable colleagues such as Takayuki Kawashima and Shojiro Kawakami. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Toshikazu Ijiro's contributions to the field of optics through his innovative patents highlight his role as a leading inventor in photonics. His work continues to influence the development of advanced optical 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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