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For the Inventor, By the Inventor

Ishikawa, Japan

Yujiro Takegawa

USPTO Granted Patents = 30

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 152(Granted Patents)


Location History:

  • Shizuoka, JP (1985)
  • Uchinada, JP (1985 - 1993)
  • Ishikawa, JP (1984 - 1994)
  • Kahoku, JP (1990 - 1994)
  • Ishikawa-ken, JP (1996 - 1998)

Company Filing History:

goldMedal19 out of 53 
 
Tsudakoma Corp.
 patents
silverMedal10 out of 205 
 
Tsudakoma Kogyo Kabushiki Kaisha
 patents
bronzeMedal1 out of 1 
 
Tsudakowa Corp.
 patent

Years Active: 1984-1998

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30 patents (USPTO):Explore Patents
1. 5819558 - Method of lowering the yarn height for knitting single knit fabric (1998-10-13),
2. 5570592 - Sinker actuating apparatus having spring force advancing member (1996-11-05),
3. 5297592 - Method of discharging a weft yarn wound around a drum (1994-03-29),
4. 5279334 - Reed maintenance device with warp sheet repositioner (1994-01-18),
5. 5245858 - Method of measuring air-speed in a reed groove (1993-09-21),
6. 5209271 - Mispicked weft removing method (1993-05-11),
7. 5154209 - Positive feed picking device for a fluid jet loom (1992-10-13),
8. 5131435 - On loom warp mending operation (1992-07-21),
9. 5116276 - Location of a slit between dents corresponding to a broken warp (1992-05-26),
10. 5111851 - Method of restoring a broken warp after mending the same (1992-05-12),
11. 5050643 - On loom system for mending broken warp yarn (1991-09-24),
12. 4958662 - Pick extracting device with rotative drive (1990-09-25),
13. 4953596 - Picking period setting device for a loom (1990-09-04),
14. 4949759 - Seersucker loom with tension regulation of puckering warp (1990-08-21),
15. 4901770 - Automatic picking controlling method (1990-02-20),

Title: Innovations of Yujiro Takegawa: A Wave of Knitting Technology

Introduction

Yujiro Takegawa, an esteemed inventor based in Ishikawa, Japan, has made remarkable contributions to the field of knitting technology. With a portfolio of 30 patents, Takegawa has been at the forefront of innovations that enhance the efficiency and functionality of knitting processes.

Latest Patents

Among his noteworthy inventions is the "Method of lowering the yarn height for knitting single knit fabric." This innovative technique involves successively advancing multiple needles to create a transit yarn portion, thereby lowering the yarn from the feeder and improving the knitting process. Additionally, Takegawa developed a "Sinker actuating apparatus having spring force advancing member," which utilizes a sinker actuator that responds dynamically to the needle movement, showcasing his commitment to enhancing machine functionality in the textile industry.

Career Highlights

Takegawa has garnered valuable experience working with prestigious companies, including Tsudakoma Corporation and Tsudakoma Kogyo Kabushiki Kaisha. His tenure at these organizations has enabled him to apply his inventive skills and drive innovations that have significantly impacted the textile machinery sector.

Collaborations

Throughout his career, Takegawa has collaborated with notable professionals such as Souichi Nakai and Fumio Matsuda. Their teamwork has fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies in knitting.

Conclusion

Yujiro Takegawa's prolific career and numerous patents highlight his significant role in advancing knitting technologies. His recent inventions, fueled by collaboration and a strong professional background, underscore his commitment to pushing the boundaries of innovation within the textile industry. As technology continues to evolve, inventors like Takegawa will undoubtedly remain central to shaping its future.

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