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For the Inventor, By the Inventor

Otsu, Japan

Takao Negishi

This inventor holds 18 USPTO granted patents, primarily in Textile Manufacturing. Top assignee: Toray Industries, Inc.. Active years: 1976-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Negishi. Retrieved from https://idiyas.com/inventor/takao-negishi

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 177(Granted Patents)


Location History:

  • Otsu, JA (1976 - 1978)
  • Otsu, JP (1981 - 1998)

Company Filing History:

goldMedal18 out of 3,586 
 
Toray Industries, Inc.
 patents

Years Active: 1976-1998

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Areas of Expertise:
Vapor Deposition
Textured Multifilament Yarn
False Twist Texturing
Sewing Thread
Fibrous Elements
Manufacturing Process
Bulky Textured Yarn
Yarn Configuration
Texturing Machine
Production Apparatus
Multifilament Yarn
18 patents (USPTO):Explore Patents
1. 5744405 - Product of vapor deposition and method of manufacturing same (1998-04-28),
2. 5404706 - Method of false twist texturing and a false twist texturing machine (1995-04-11),
3. 5384882 - Image display device and its manufacturing method (1995-01-24),
4. 4656825 - Sewing thread and method for manufacturing the same (1987-04-14),
5. 4578940 - Method for manufacturing sewing thread (1986-04-01),
6. 4523428 - Process for manufacturing textured multifilament yarn having alternating (1985-06-18),
7. 4513565 - Sewing thread (1985-04-30),
8. 4402178 - Textured multifilament yarn having alternating twists (1983-09-06),
9. 4346552 - Bulky textured multifilament yarn (1982-08-31),
10. 4345425 - Process for making bulky textured multifilament yarn (1982-08-24),
11. 4342189 - Apparatus for producing a bundle of fibrous elements (1982-08-03),
12. 4341068 - Method for producing an improved bundle of fibrous elements (1982-07-27),
13. 4258542 - Bundle of fibrous elements (1981-03-31),
14. 4242862 - Multifilament yarn having novel configuration and a method for producing (1981-01-06),
15. 4070815 - Textured multifilament yarn (1978-01-31),

Title: Takao Negishi: Innovator in Yarn Texturing Technology

Introduction

Takao Negishi is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of textile engineering, particularly in yarn texturing technology. With a total of 18 patents to his name, Negishi has established himself as a leading figure in his industry.

Latest Patents

Negishi's latest patents include innovative methods and products related to vapor deposition and false twist texturing. One notable patent is for a product of vapor deposition and a method of manufacturing the same. Additionally, he has developed a method and apparatus for high-speed false twist texturing of yarns. This technology allows for false twist texturing to be performed smoothly at a yarn speed of 1,000 m/min or higher. The number of false-twists inserted per meter of yarn is determined by specific equations, ensuring efficiency and precision in the texturing process.

Career Highlights

Throughout his career, Takao Negishi has worked with Toray Industries, Inc., a leading company in the textile industry. His work has focused on enhancing the performance and quality of yarns through innovative texturing techniques. His contributions have not only advanced the technology but have also set new standards in the industry.

Collaborations

Negishi has collaborated with notable coworkers such as Kazuo Tomiita and Teiryo Kojima. These partnerships have fostered a creative environment that has led to groundbreaking advancements in yarn texturing technology.

Conclusion

Takao Negishi's work in yarn texturing technology exemplifies innovation and dedication to the textile industry. His numerous patents and collaborations highlight his significant impact on the field. Through his efforts, he continues to push the boundaries of what is possible in yarn 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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