For the Inventor, By the Inventor

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Kanagawa, Japan

Piolax, Inc.

USPTO Granted Patents = 313

% Expired Patents = 26.5

EPO Patents = 10

Forward Citations = 3,162

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195 inventors (with patents filed for the assignee):

Hisashi Nakasone (26 out of 26 patents)

Shigeo Okada (21 out of 22 patents)

Oomi Arisaka (17 out of 18 patents)

4. Kenta Mihara (14 out of 14 patents)

5. Kouichi Kato (12 out of 18 patents)

6. Hiroshi Nakazato (12 out of 12 patents)

7. Ryou Aoki (11 out of 11 patents)

8. Shinichi Matsuo (11 out of 11 patents)

9. Toshihiro Shimizu (9 out of 18 patents)

10. Nobuya Shinozaki (9 out of 9 patents)

11. Satoshi Yamada (8 out of 37 patents)

12. Yasuki Wakabayashi (7 out of 7 patents)

13. Jun Saito (7 out of 18 patents)

14. Naoki Morita (7 out of 7 patents)

15. Ryu Hattori (6 out of 6 patents)

Core Competencies:

Motorized Locking Device

Damper Device

Lock Device

Valve Device

Fuel Tank Valve

Fastener

Unlocking Device

Air Damper

Quick Connector

Hose Clamp

Check Valve

Light-Emitting Capsule

313 patents: Sort by Forward Citations

1. 12736105 - Damper (2026-09-15),

2. 12560000 - Motorized locking device for opening/shutting unit (2026-02-24),

3. 12509933 - Damper device (2025-12-30),

4. 12485829 - Opening/closing body lock device (2025-12-02),

5. 12480341 - Lock device (2025-11-25),

6. 12473998 - Holder for long member (2025-11-18),

7. 12427856 - Valve device for fuel tank (2025-09-30),

8. 12371932 - Rotation member connecting structure and method for manufacturing said structure (2025-07-29),

9. 12352097 - Stopper device (2025-07-08),

10. 12276300 - Fastener (2025-04-14),

11. 12276145 - Lock device for opening and closing body (2025-04-14),

12. 12264694 - Fastener (2025-04-01),

13. 12241572 - Holder for long member (2025-03-04),

14. 12234676 - Locking device (2025-02-25),

15. 12203301 - Lock lever and opening/closing device (2025-01-21),

Piolax, Inc. is a leading global manufacturer of fastening solutions and engineered components for the automotive industry. With a focus on innovation and quality, Piolax specializes in a wide range of products including automotive fasteners, clips, and custom designed components. With over 70 years of experience, Piolax is committed to delivering reliable and durable solutions to their customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

313 Patents

#13 in Kanagawa

#529 in Japan

#2,852 in the World

Kanagawa, Japan

Piolax, Inc.

Forward Citations = 3,162

195 inventors:

Hisashi Nakasone (26 out of 26 patents)

Shigeo Okada (21 out of 22 patents)

Oomi Arisaka (17 out of 18 patents)

4. Kenta Mihara (14 out of 14 patents)

5. Kouichi Kato (12 out of 18 patents)

Please report any incorrect information to [email protected]

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