Hitachi, Japan

Sachiko Okuzaki

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sachiko Okuzaki. Retrieved from https://idiyas.com/inventor/sachiko-okuzaki

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 = 9.2

ph-index = 3

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 1998-2005

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3 patents (USPTO):Explore Patents

Title: Sachiko Okuzaki: Innovator in Optically Functional Elements

Introduction

Sachiko Okuzaki is a prominent inventor based in Hitachi, Japan. She has made significant contributions to the field of optically functional elements, holding a total of 3 patents. Her work focuses on developing innovative materials and methods that enhance optical technologies.

Latest Patents

One of her latest patents is titled "Optically functional element and production method and application therefor." The objective of this invention is to provide an optically functional element that exhibits a substantial change in refractive index with temperature variations and a rapid change rate in refractive index. This invention includes a thin film formed directly on a substrate or through other layers, composed of particles with an average diameter not exceeding 13 nm, as observed at the film surface. The invention also specifies an optically functional element that achieves a change in refractive index of at least 2.0×10/° C. Furthermore, it outlines a production method for the thin film through sputtering under reduced pressure in an inert gas atmosphere containing 3-15% by volume of oxygen, along with applications for optical switches, temperature sensors, and optical information recording mediums utilizing this element.

Career Highlights

Sachiko Okuzaki has established herself as a key figure in her field through her innovative research and development efforts. Her work at Hitachi, Ltd. has positioned her as a leader in the advancement of optical technologies.

Collaborations

Throughout her career, she has collaborated with notable colleagues, including Ken Takahashi and Hiroki Yamamoto. These partnerships have contributed to her success and the development of groundbreaking technologies.

Conclusion

Sachiko Okuzaki's contributions to the field of optically functional elements demonstrate her innovative spirit and dedication to advancing optical technologies. Her patents and collaborative efforts continue to influence the industry positively.

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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