Kariya, Japan

Masao Shiraki

This inventor holds 16 USPTO granted patents. Top assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kabushiki Kaisha Toyota Chuo Kenkyusho, Kabushiki Kaisha Toyota Jidoshokki. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Shiraki. Retrieved from https://idiyas.com/inventor/masao-shiraki

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 = 3.3

ph-index = 6

Forward Citations = 82(Granted Patents)


Location History:

  • Toyota, JP (1985)
  • Toyoda, JP (1985)
  • Aichi, JP (1991)
  • Kariya, JP (1978 - 1996)

Company Filing History:


Years Active: 1978-1996

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16 patents (USPTO):Explore Patents

Title: **The Innovations of Masao Shiraki: A Pioneer in Weaving Technology**

Introduction

Masao Shiraki, an accomplished inventor based in Kariya, Japan, has made significant contributions to the field of weaving technology. With a total of 16 patents to his name, Shiraki's innovations exemplify his expertise and dedication to improving the efficiency and quality of textile manufacturing.

Latest Patents

Shiraki's latest patents showcase his inventive spirit and technical acumen. One notable invention is a **weft inserting device for an air jet loom** featuring a profiled reed equipped with multiple C-shaped guide notches. These guide notches form a weft passage that allows injected weft from a main nozzle to fly smoothly, while the design details ensure precision in operation. The device's unique upper and lower connecting portions are engineered to optimize weft efficiency with minimal operational constraints.

Another significant patent addresses the **cloth fell displacement in a terry loom**. This innovative pile forming apparatus is designed to allow the use of a small-capacity driving motor while maintaining high-quality results in pile fabric production. Through a system of driven nuts, levers, and a ball screw, Shiraki ensures that the terry motion is effectively managed, resulting in superior fabric characteristics.

Career Highlights

Throughout his career, Shiraki has been associated with prominent companies such as **Kabushiki Kaisha Toyoda Jidoshokki Seisakusho** and **Kabushiki Kaisha Toyota Chuo Kenkyusho**. His work in these leading organizations has allowed him to leverage cutting-edge research and apply his inventions in commercial settings, significantly impacting the textile industry.

Collaborations

Shiraki has collaborated with notable peers in his field, including Noriaki Miyamoto and Kinpei Mitsuya. Their teamwork has fostered an environment of creativity and innovation, contributing to advancements in textile manufacturing processes and technology.

Conclusion

Masao Shiraki stands out as a notable inventor whose innovations have revolutionized weaving technology. With his impressive portfolio of patents and a career marked by impactful collaborations, Shiraki continues to inspire future generations of inventors and engineers in the textile industry. His commitment to enhancing production techniques and fabric quality exemplifies the spirit of innovation that drives modern manufacturing.

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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