% 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),

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.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

8 Patents

#1 in Sizuwakamatsu-shi, Fukushima

#5,044 in Japan

Sizuwakamatsu-shi, Fukushima, Japan

Arai Corporation