IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Ykk Corporation


USPTO Granted Patents = 1,442



Trademarks = 102

Forward Citations = 11,536

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970 inventors (with patents filed for the assignee):

goldMedal Keiichi Keyaki (79 out of 87 patents)

silverMedal Ryoichiro Uehara (57 out of 58 patents)

bronzeMedal Ryuichi Murasaki (55 out of 78 patents)

4.  Yoshikazu Hamada (38 out of 38 patents)

5.  Yohei Miyazaki (38 out of 38 patents)

6.  Tsuyoshi Minato (36 out of 38 patents)

7.  Mitsuru Akeno (36 out of 40 patents)

8.  Shigeyoshi Takazawa (35 out of 36 patents)

9.  Hitoshi Kaneko (31 out of 52 patents)

10.  Toshiaki Takizawa (31 out of 53 patents)

11.  Yuichi Iwase (31 out of 31 patents)

12.  Masayoshi Kojima (30 out of 30 patents)

13.  Koji Yamagishi (29 out of 29 patents)

14.  Kenichi Yoshie (27 out of 27 patents)

15.  Shunji Akashi (26 out of 82 patents)


Core Competencies:
Slide Fastener
Automated Tire Chain Tensioner
Photosensitive Resin Composition
Artificial Intelligence Diagnosis
Fastener Chain
Waterproof Fastener
Electroplating Device
Vehicle Seat Assembly
Cushion for Arm Rests
Dental Replacement
Unified Communication Monitoring

1,442 patents:

1. 12490814 - Slide fastener and slide fastener-attached product (2025-12-09),
2. 12485712 - Automated tire chain tensioner (2025-12-02),
3. D1102949 - Slider for slide fastener (2025-11-25),
4. 12478146 - Slider (2025-11-25),
5. 12471681 - Fastener tape, method for identifying same, method for manufacturing same, and slide fastener set (2025-11-18),
6. D1101612 - Retaining box for slide fastener (2025-11-11),
7. 12465120 - Slider for a slide fastener (2025-11-11),
8. D1101088 - Firearm (2025-11-04),
9. D1099254 - Firearm (2025-10-21),
10. D1098957 - Slider for slide fastener (2025-10-21),
11. D1098956 - Chain for slide fastener (2025-10-21),
12. D1098951 - Chain for slide fastener (2025-10-21),
13. 12449731 - Photosensitive resin composition, method for producing resist pattern film, and method for producing plated formed product (2025-10-21),
14. 12447086 - System, apparatus, and method for infant incubation (2025-10-21),
15. 12445359 - System and method for unified communication monitoring (2025-10-14),
YKK Corporation is a Japanese manufacturer of fasteners, primarily zippers. The company also produces other fastening products such as snaps and buttons. With a history dating back to 1934, YKK has become a global leader in the industry, known for its high-quality products and innovative design solutions. YKK's fastening products are used in various sectors including apparel, automotive, and equipment. The company is committed to sustainable practices and has implemented initiatives to reduce its environmental impact. Visit the YKK Corporation website to learn more about their products and corporate values.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

1,442 Patents

#75 in Tokyo

#153 in Japan

#666 in the World

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Tokyo, Japan

Ykk Corporation

Forward Citations = 11,536

970 inventors:

goldMedal Keiichi Keyaki (79 out of 87 patents)

silverMedal Ryoichiro Uehara (57 out of 58 patents)

bronzeMedal Ryuichi Murasaki (55 out of 78 patents)

4.  Yoshikazu Hamada (38 out of 38 patents)

5.  Yohei Miyazaki (38 out of 38 patents)

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