Tokyo, Japan

Shiyouzi Muroi

This inventor holds 1 USPTO granted patent. Top assignee: Tokyo Juki Industrial Co., Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shiyouzi Muroi. Retrieved from https://idiyas.com/inventor/shiyouzi-muroi

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Shiyouzi Muroi: Innovator in Sewing Machine Technology

Introduction

Shiyouzi Muroi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of sewing machine technology. His innovative designs have improved the functionality and efficiency of sewing machines.

Latest Patents

Muroi holds a patent for a sewing machine that features a unique looper mechanism. This sewing machine comprises a looper rockably supported on the frame of the machine below the throat plate. The looper is designed for rocking movement in response to the rotation of the machine shaft. It includes first and second thread holes, along with a thread transfer mechanism that moves the leading end of a looper thread to a position facing the second thread hole after passing through the first thread hole. Additionally, a threading device is included to pass the leading end of the looper thread through the second thread hole. Muroi's patent showcases his innovative approach to enhancing sewing machine performance. He has 1 patent to his name.

Career Highlights

Shiyouzi Muroi is associated with Tokyo Juki Industrial Co., Ltd., a company known for its advanced sewing technology. His work at this company has allowed him to focus on developing innovative solutions in the sewing machine industry. Muroi's contributions have been instrumental in advancing the capabilities of sewing machines.

Collaborations

Muroi has collaborated with Katsuhiko Taguchi, a fellow innovator in the field. Their partnership has fostered the development of new technologies and improvements in sewing machine design.

Conclusion

Shiyouzi Muroi is a prominent figure in the sewing machine industry, recognized for his innovative designs and contributions. His patent for a sewing machine exemplifies his commitment to enhancing sewing technology. Muroi's work continues to influence the industry and inspire 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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