EPO Patents = 2

Forward Citations = 66

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7 inventors (with patents filed for the assignee):

Akinori Nakamura (3 out of 3 patents)

Tatsuya Amami (2 out of 2 patents)

Masari Muramatsu (1 out of 4 patents)

4. Naotake Tanaka (1 out of 8 patents)

5. Masakazu Yamada (1 out of 1 patent)

6. Ryoichi Shibata (1 out of 1 patent)

7. Yoshihiko Nagare (1 out of 1 patent)

8. Nakamura Akinori (0 patent)

6 patents: Sort by Forward Citations

1. 9975224 - Impact wrench (2018-05-22),

2. 8490714 - Impact wrench (2013-07-23),

3. 7207116 - Air saw (2007-04-24),

4. 6889584 - Wrench (2005-05-10),

5. 6742418 - Torque wrench (2004-06-01),

6. 6546815 - Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation method and control method of hand-held power screw loosening tool (2003-04-15),

Kuken Co., Ltd. is a leading manufacturer of high-quality industrial tools and equipment. Established in 1980, the company offers a wide range of products including air tools, hydraulic tools, and pneumatic tools. With a commitment to innovation and excellence, Kuken Co., Ltd. has earned a reputation for delivering reliable and durable solutions for various industries worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

6 Patents

#563 in Osaka

#5,851 in Japan

Osaka, Japan

Kuken Co., Ltd.