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For the Inventor, By the Inventor

Osaka, Japan

Toshiharu Jitsuda

This inventor holds 3 USPTO granted patents. Top assignee: Clover Mfg. Co., Ltd.. Active years: 2007-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Jitsuda. Retrieved from https://idiyas.com/inventor/toshiharu-jitsuda

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:

goldMedal3 out of 137 
 
Clover Mfg. Co., Ltd.
 patents

Years Active: 2007-2022

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3 patents (USPTO):Explore Patents
1. D971586 - Connecting end portion of a knitting needle (2022-12-06),
2. 11220767 - Connection structure connecting knitting needle body and cable and circular knitting needle having the same (2022-01-11),
3. D556071 - Knitting counter for counting knitted loops or rows of knitted loops (2007-11-27),

Title: Innovations of Toshiharu Jitsuda

Introduction

Toshiharu Jitsuda is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of knitting technology, holding a total of 3 patents. His work focuses on enhancing the functionality and usability of knitting needles.

Latest Patents

One of Jitsuda's latest patents is a connection structure for knitting needles. This innovative design includes a proximal end of a needle body, a metallic connector fixed to the proximal end, and an end of a flexible cable attached to the connector. The connector features a shaft and a head that is diametrically greater than the shaft. The proximal end of the needle body has a hole into which the shaft of the connector is fitted. The head of the connector has a cable recess that accommodates the end of the cable. This recess includes a first recess adjacent to the opening and a second recess that is diametrically greater than the first. The end of the cable consists of a first portion accommodated in the first recess and a second portion connected to the first portion, which is accommodated in the second recess. The second portion is diametrically greater than the first portion, showcasing Jitsuda's innovative approach to knitting needle design.

Career Highlights

Toshiharu Jitsuda is currently employed at Clover Mfg. Co., Ltd., a company known for its high-quality crafting tools. His work at Clover has allowed him to develop and refine his inventions, contributing to the company's reputation in the crafting industry.

Collaborations

Jitsuda has collaborated with talented coworkers, including Mayumi Matsumoto and Shinichi Kitao. Their combined expertise has fostered a creative environment that encourages innovation and the development of new products.

Conclusion

Toshiharu Jitsuda's contributions to knitting technology through his patents and work at Clover Mfg. Co., Ltd. highlight his dedication to innovation in the crafting industry. His inventive designs continue to influence the way knitting tools are developed and used.

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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