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For the Inventor, By the Inventor

Takamatsu, Japan

Purex Co., Ltd.


USPTO Granted Patents = 26

% Expired Patents = 26.9


Forward Citations = 243

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26 inventors (with patents filed for the assignee):

goldMedal Hisashi Muraoka (10 out of 20 patents)

silverMedal Makoto Yano (6 out of 6 patents)

bronzeMedal Hiroyuki Ideue (4 out of 4 patents)

4.  Yuichiro Yabe (3 out of 3 patents)

5.  Yasuhiko Enami (3 out of 3 patents)

6.  Hiroshi Tomita (2 out of 170 patents)

7.  Yoo Hayashida (2 out of 2 patents)

8.  Tomoyuki Tanii (2 out of 2 patents)

9.  Yoshiteru Nakamura (1 out of 1 patent)

10.  Kunihiro Miyazaki (1 out of 32 patents)

11.  Tetsuya Nakahara (1 out of 1 patent)

12.  Masahiko Kakizawa (1 out of 13 patents)

13.  Ichiro Hayashida (1 out of 15 patents)

14.  Kazushi Hamada (1 out of 1 patent)

15.  Toshihiko Kusunoki (1 out of 1 patent)


Core Competencies:
Cloth Spreading Apparatus
Cloth Transfer Apparatus
Cloth Clamping Chuck
Automatic Cloth Spreading Machine
Fabric Type Identifying
Cloth Piece Folding Device
Silicone Wafer Cleaning
Semiconductor Substrate Cleaning
Total Reflection Fluorescent X-Ray
Surface Treating
Multifunctional Air Filter
Plastic Molded Item Cleaning

26 patents:

1. 12264433 - Cloth spreading apparatus (2025-04-01),
2. 11993472 - Cloth transfer apparatus (2024-05-28),
3. 11408118 - Cloth clamping chuck and cloth handling device (2022-08-09),
4. 11359317 - Edge clamping device and automatic cloth spreading machine including the same (2022-06-14),
5. 11326301 - Automatic cloth spreading machine (2022-05-10),
6. 11299846 - Cloth spreading device (2022-04-12),
7. 11091873 - Cloth spreading apparatus (2021-08-17),
8. 11066769 - Cloth spreading apparatus (2021-07-20),
9. 10975517 - Cloth spreading apparatus (2021-04-13),
10. 10815612 - Cloth spreading device (2020-10-27),
11. 10699402 - Fabric type identifying apparatus and fabric type identifying method (2020-06-30),
12. 10671871 - Fabric type identifying apparatus (2020-06-02),
13. 9752277 - Cloth piece folding device (2017-09-05),
14. 9587348 - Cloths separating device (2017-03-07),
15. 8749776 - Apparatus and method for inspecting cloth piece (2014-06-10),
Company Overview
Purex Co., Ltd. is a Japanese company based in Takamatsu, specializing in the development and manufacturing of advanced materials and chemical products. The organization focuses on innovative solutions for various industries, including electronics, automotive, and environmental applications. With a commitment to research and development, Purex aims to enhance product performance and sustainability through cutting-edge technology and expertise in material science.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

26 Patents

#2 in Takamatsu

#2,507 in Japan

#24,806 in the World

Takamatsu, JP
Takamatsu, Japan

Purex Co., Ltd.

Forward Citations = 243

26 inventors:

goldMedal Hisashi Muraoka (10 out of 20 patents)

silverMedal Makoto Yano (6 out of 6 patents)

bronzeMedal Hiroyuki Ideue (4 out of 4 patents)

4.  Yuichiro Yabe (3 out of 3 patents)

5.  Yasuhiko Enami (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Purex Co., Ltd.. Retrieved from https://idiyas.com/company/purex-company

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

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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