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For the Inventor, By the Inventor

Hyogo, Japan

Yoshiaki Igarashi

This inventor holds 9 USPTO granted patents. Top assignees: Precision Fukuhara Works, Ltd., Fukuhara Works, Ltd.. Active years: 1990-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Igarashi. Retrieved from https://idiyas.com/inventor/yoshiaki-igarashi-5scn4cm1

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 47(Granted Patents)


Location History:

  • Hyogo, JP (1990 - 1996)
  • Kobe, JP (1995 - 1996)

Company Filing History:

goldMedal8 out of 73 
 
Precision Fukuhara Works, Ltd.
 patents
silverMedal1 out of 1 
 
Fukuhara Works, Ltd.
 patent

Years Active: 1990-1996

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9 patents (USPTO):Explore Patents
1. 5546769 - Apparatus for knitting a double-knit fabric having non-run and (1996-08-20),
2. 5515698 - Apparatus for removing and collecting fiber waste from a creel stand (1996-05-14),
3. 5511392 - Method and apparatus for adjusting the stitch length on a circular (1996-04-30),
4. 5463881 - Double-knit fabric having non-run and stretchability characteristics and (1995-11-07),
5. 5437732 - Dust collector/remover in knitting machine and its controlling method (1995-08-01),
6. 5379614 - Dust and waste removal and collection system for double knitting machine (1995-01-10),
7. 5323509 - Dust collector/remover in knitting machine and its controlling method (1994-06-28),
8. 5177985 - Collector/remover of dust of flocks in knitting machine (1993-01-12),
9. 4890464 - Positive feeding device for circular knitting machine (1990-01-02),

Title: Yoshiaki Igarashi: Innovator in Knitting Technology

Introduction

Yoshiaki Igarashi is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of knitting technology, holding a total of 9 patents. His innovative designs have advanced the capabilities of knitting machines, enhancing efficiency and functionality.

Latest Patents

Igarashi's latest patents include an "Apparatus for knitting a double-knit fabric having non-run" and "An interlock circular knitting machine for knitting a double-knit fabric." The latter invention allows for the knitting of multiple yarns into cylinder needle and dial needle wales, utilizing a sophisticated needle selecting cam system. This system enables the needles to transition between various positions, allowing for the intricate knitting of yarns into stitch loops. Another significant patent is the "Apparatus for removing and collecting fiber waste from a creel stand." This apparatus features an air suction/blower system designed to efficiently manage fiber waste, enhancing the overall productivity of the knitting process.

Career Highlights

Throughout his career, Igarashi has worked with esteemed companies such as Precision Fukuhara Works, Ltd. and Fukuhara Works, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced knitting technologies.

Collaborations

Igarashi has collaborated with notable colleagues, including Kosaku Iida and Masatoshi Sawazaki. These partnerships have fostered innovation and creativity in their respective projects.

Conclusion

Yoshiaki Igarashi's contributions to knitting technology through his patents and collaborations have significantly impacted the industry. His work continues to inspire advancements in knitting machinery and techniques.

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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