Sagamihara, Japan

Sayuri Kohara

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: International Business Machines Corporation. Active years: 2001-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sayuri Kohara. Retrieved from https://idiyas.com/inventor/sayuri-kohara

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


% Patents Active = 25.0


Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 34(Granted Patents)


Location History:

  • Sagamihara, JP (2001 - 2010)
  • Kanagawa, JP (2015)

Company Filing History:


Years Active: 2001-2015

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Sayuri Kohara

Introduction: Sayuri Kohara, an accomplished inventor based in Sagamihara, Japan, has made significant contributions to the field of optical technology. With a total of four patents to her name, she demonstrates a strong commitment to pushing the boundaries of innovation and improving optical waveguide structures.

Latest Patents: Sayuri's latest innovations include two notable patents. The first patent focuses on "Reducing loss at intersection in optical waveguides." This invention reveals a core intersection in an optical waveguide constructed from multiple cores surrounded by a clad. Uniquely, it employs the same material as the cores, enhancing performance at the intersection spaces by seamlessly connecting to surrounding core intersection spaces. Her second patent involves a "Prism sheet including reflective elements with different curvature surfaces," which features a reflective surface with a small curvature alongside a planar surface, showcasing her ability to blend functionality and design.

Career Highlights: Sayuri Kohara is currently employed at International Business Machines Corporation (IBM), where she actively contributes to advancing technologies in her area of expertise. Her dedication to research and development has positioned her as a key player in her organization, where she continually strives for excellence in innovation.

Collaborations: Throughout her career, Sayuri has collaborated with talented colleagues, including Daiju Nakano and Fumiaki Yamada. These partnerships are instrumental in pooling expertise and fostering a creative environment that encourages innovative thought.

Conclusion: Sayuri Kohara's work exemplifies the spirit of innovation in the optical technology sector. With her impressive number of patents and impactful contributions, she continues to inspire future inventors and drive advancements in her field. Her journey is a testament to the power of creativity and collaboration in technological development.

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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