Sumito Kiyooka

This inventor holds 8 USPTO granted patents and 5 published patent applications, plus 3 CIPO patents and 9 EPO patents. Top assignees: Kuraray Co., Ltd., Kuraray Kuraflex Co., Ltd.. Active years: 2013-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumito Kiyooka. Retrieved from https://idiyas.com/inventor/sumito-kiyooka

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

USPTO Granted Patents = 8 (Patent Applications = 5)

% Patents Active = 87.5

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 9 (Patent Applications = 8)

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 14(Granted Patents)

Location History:

Kurashiki, JP (2018)
Okayama, JP (2013 - 2023)

Company Filing History:

Kuraray Kuraflex Co., Ltd.

patents

Years Active: 2013-2023

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11598034 - Stretchable non-woven fabric having excellent repetition durability (2023-03-07),

2. 10507142 - Fiber assembly and liquid absorbent sheet-like article including the same and method of manufacturing fiber assembly (2019-12-17),

3. 9890487 - Liquid-retaining sheet and facial mask (2018-02-13),

4. 9758925 - Molded object having nonwoven fibrous structure (2017-09-12),

5. 9200390 - Buffer substrate and use thereof (2015-12-01),

6. 9174411 - Laminated sheet and process for producing the same (2015-11-03),

7. 8631900 - Sound insulation floor structure and sound insulation floor component as well as method for reducing floor impact sound (2014-01-21),

8. 8518841 - Stretchable nonwoven fabric and tape (2013-08-27),

Title: **Sumito Kiyooka - Innovator in Stretchable Fabrics**

Introduction

Sumito Kiyooka is an accomplished inventor based in Okayama, Japan, known for his significant contributions to the field of textile innovation. With a remarkable portfolio of eight patents, Kiyooka has made strides in developing technologies that enhance the durability and functionality of non-woven fabrics.

Latest Patents

Kiyooka's latest inventions reflect his dedication to improving material properties. One of his notable patents is for a **Stretchable Non-Woven Fabric Having Excellent Repetition Durability**. This innovative fabric includes crimped fibers that satisfy specific stress-strain relationships, allowing for minimal deterioration in stretching performance over repeated use. Additionally, the fabric is designed for use in bandages, enhancing their durability.

Another significant patent is for a **Fiber Assembly and Liquid Absorbent Sheet-Like Article**. This invention includes a unique fiber assembly structure that promotes liquid diffusion and absorption, showcasing Kiyooka's expertise in creating highly functional materials suitable for various applications.

Career Highlights

Throughout his career, Kiyooka has significantly impacted the textile industry, primarily through his work at respected companies such as Kuraray Co., Ltd. and Kuraray Kuraflex Co., Ltd. His innovative spirit and dedication to research and development have driven advancements in fabric technology.

Collaborations

Kiyooka has collaborated with talented professionals in the field, including colleagues Toru Ochiai and Tomoaki Kimura. Their combined efforts have resulted in the development of cutting-edge materials that address real-world challenges in textile applications.

Conclusion

Sumito Kiyooka's contributions to the field of textile innovations, particularly in stretchable fabrics and absorbent materials, demonstrate his commitment to improving product performance and user experience. His eight patents underscore his vision and expertise, positioning him as a key figure in the realm of fabric technology innovation.

Profile summary based on public USPTO records.