% Expired Patents = 37.5

EPO Patents = 3

Forward Citations = 55

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4 inventors (with patents filed for the assignee):

Koichi Arai (4 out of 42 patents)

Kazuo Sato (3 out of 3 patents)

Mitsuyoshi Kato (1 out of 1 patent)

4. Koichi Aria (1 out of 1 patent)

5. Kazuo 1001-128 Aza Mura Higashi Sato (0 patent)

6. Mitsuyoshi Arai Corporation Kato (0 patent)

7. Kazuo; Sato (0 patent)

8 patents: Sort by Forward Citations

1. 7705870 - Laser marking device, laser marking method, and object to be marked (2010-04-27),

2. 7602409 - Method for forming 2-dimensional code by laser marking and laser marking device (2009-10-13),

3. 7594613 - 2-dimensional code formation method and formation device (2009-09-29),

4. 5186834 - Scraper filter system (1993-02-16),

5. 5061366 - Scraper filter system (1991-10-29),

6. 5059320 - Locking structure of wire rod for filter element (1991-10-22),

7. 4843700 - Locking structure of wire rod for filter element (1989-07-04),

8. 4732333 - Multi-purpose separation apparatus (1988-03-22),

Company Overview

Arai Corporation is a Japanese company known for manufacturing high-quality helmets for motorcycle, auto racing, and other motorsports. With a legacy of more than 70 years, Arai focuses on safety, comfort, and performance in their products. Their helmets are trusted by professional racers and enthusiasts worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

8 Patents

#1 in Sizuwakamatsu-shi, Fukushima

#5,037 in Japan

Sizuwakamatsu-shi, Fukushima, Japan

Arai Corporation

Forward Citations = 55

4 inventors:

Koichi Arai (4 out of 42 patents)

Kazuo Sato (3 out of 3 patents)

Mitsuyoshi Kato (1 out of 1 patent)

4. Koichi Aria (1 out of 1 patent)

5. Kazuo 1001-128 Aza Mura Higashi Sato (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Arai Corporation. Retrieved from https://idiyas.com/company/arai

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]

3 patents (EPO):

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]