Kawasaki, Japan

Toshio Hirasawa

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1996-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Hirasawa. Retrieved from https://idiyas.com/inventor/toshio-hirasawa

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


% Patents Active = 75.0

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 177(Granted Patents)


Company Filing History:


Years Active: 1996-2005

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4 patents (USPTO):Explore Patents

Title: Innovator Toshio Hirasawa: Pioneering Advances in Image Recognition and Quality Assessment

Introduction: Toshio Hirasawa is a distinguished inventor based in Kawasaki, Japan, recognized for his groundbreaking contributions to technology with a total of four patents. His innovative work addresses critical aspects of image processing and quality assessment in printed materials, reflecting his commitment to enhancing technological capabilities.

Latest Patents: Hirasawa’s latest patents showcase two significant advancements. The first is a **Facial Image Recognition Apparatus**, which employs a dual illumination system to accurately capture and process facial images. It utilizes lighting from different angles to improve recognition accuracy by extracting feature values and matching them against pre-registered standards. The second notable invention is an **Apparatus for Determining the Soil Degree of Printed Matter**. This technology harnesses near-infrared imaging to assess the quality of printed materials by analyzing features such as folds and wrinkles, thus providing automated quality control measures.

Career Highlights: Hirasawa's impressive career is marked by his role at Toshiba Corporation, where he has developed his patents that significantly contribute to advances in image recognition technology. His ongoing research and developments continue to set benchmarks in the relevant sectors, showcasing his role as a key player in the innovation landscape.

Collaborations: Throughout his career, Hirasawa has collaborated with esteemed colleagues such as Toshio Sato and Teruhiko Uno. These collaborations have likely enhanced the depth and breadth of his inventions, combining diverse expertise to push the boundaries of technology.

Conclusion: Toshio Hirasawa, with his innovative patents and collaborative spirit, exemplifies the essence of modern inventorship. His contributions in areas such as facial recognition and printed material quality assessment not only reflect personal achievement but also promote technological advancement within the industry. As technology continues to evolve, Hirasawa's work serves as a foundation for future innovations.

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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