Roki Co., Ltd. is a leading technology company specializing in the development and manufacturing of automotive and industrial filtration systems. With over 50 years of experience, Roki is dedicated to providing innovative solutions for clean air and fluid management. Our cutting-edge filtration products are designed to enhance engine performance, prolong equipment life, and promote environmental sustainability. Roki's commitment to quality and customer satisfaction has earned us a strong reputation in the industry. Visit our website to learn more about our advanced filtration solutions and how they can benefit your business.

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USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#3 in Hamamatsu-shi

#3,655 in Japan

#43,615 in the World

Hamamatsu-shi, Japan

Roki Co., Ltd.

Forward Citations = 17

28 inventors:

Satoshi Shirayanagi (3 out of 3 patents)

Taisuke Sato (2 out of 2 patents)

Masaya Ogura (2 out of 2 patents)

4. Yosuke Hio (2 out of 2 patents)

5. Takayuki Ichikawa (2 out of 2 patents)

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