For the Inventor, By the Inventor

Enter assignee name

Zuiko Corporation

USPTO Granted Patents = 177

EPO Patents = 117

Forward Citations = 1,382

Loading Chart...

Loading Chart...

104 inventors (with patents filed for the assignee):

Toyoshi Umebayashi (33 out of 33 patents)

Masaki Nakakado (22 out of 22 patents)

Hideyuki Nakamura (19 out of 31 patents)

4. Takao Wada (17 out of 18 patents)

5. Yukihiko Fujita (15 out of 15 patents)

6. Takahiro Shimada (14 out of 15 patents)

7. Hitoshi Sato (13 out of 13 patents)

8. Yoshiaki Tsujimoto (12 out of 12 patents)

9. Miwa Koshijima (9 out of 13 patents)

10. Ikuo Tachibana (9 out of 9 patents)

11. Shuhei Kurata (8 out of 9 patents)

12. Satoshi Tanaka (8 out of 28 patents)

13. Daisuke Inoue (7 out of 77 patents)

14. Hideki Fujita (7 out of 9 patents)

15. Masato Hiroyasu (7 out of 7 patents)

Core Competencies:

Absorbent Body Manufacturing

Ultrasonic Welding

Wearable Article Production

Laminate Manufacturing

Stretchable Sheet Technology

Disposable Hygiene Articles

Elastic Composite Sheets

Web Welding Systems

Thermoplastic Film Production

Folding Devices for Articles

Sanitary Mask Manufacturing

Sheet Conveyance Systems

177 patents: Sort by Forward Citations

1. 12458542 - Apparatus and method for manufacturing absorbent body (2025-11-04),

2. 12409610 - Apparatus and method for ultrasonic welding (2025-09-09),

3. 12403045 - Manufacturing apparatus and method for absorbent body (2025-09-02),

4. 12384645 - Method and device for manufacturing wearable article (2025-08-12),

5. 12337580 - Apparatus and method for manufacturing laminate (2025-06-24),

6. 12207993 - Method for producing cuffs for wearable article (2025-01-28),

7. 12202212 - Method for manufacturing wearable article (2025-01-21),

8. 12138897 - Device and method for manufacturing layered sheet (2024-11-12),

9. 12115044 - Composite stretchable member manufacturing apparatus (2024-10-15),

10. 12103217 - Stretchable sheet manufacturing method (2024-10-01),

11. 12097100 - Method for producing absorbent body (2024-09-24),

12. 12097099 - Production method of elastic composite sheet, elastic composite sheet, and disposable wearable article using said elastic composite sheet (2024-09-24),

13. 12029630 - Apparatus and method for manufacturing absorbent article (2024-07-09),

14. 12017860 - Sheet material conveyance device and disposable wearing article manufacturing system provided with said conveyance device (2024-06-25),

15. 12004928 - Folding device for disposable hygiene article (2024-06-11),

ZUIKO CORPORATION is a leading technology company specializing in optical products. With over 50 years of experience, we have established ourselves as a trusted provider of high-quality lenses and camera accessories for professional photographers and enthusiasts worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

177 Patents

#78 in Osaka

#745 in Japan

#4,563 in the World

Zuiko Corporation

Forward Citations = 1,382

104 inventors:

Toyoshi Umebayashi (33 out of 33 patents)

Masaki Nakakado (22 out of 22 patents)

Hideyuki Nakamura (19 out of 31 patents)

4. Takao Wada (17 out of 18 patents)

5. Yukihiko Fujita (15 out of 15 patents)

Please report any incorrect information to support@idiyas.com

Loading…