Forward Citations = 21

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2 inventors (with patents filed for the assignee):

Yoshio Matsuo (5 out of 10 patents)

Kentaro Matsubara (4 out of 5 patents)

5 patents: Sort by Forward Citations

1. 4505428 - Rail fastening device (1985-03-19),

2. 4447006 - Cam type elastic rail fastening device (1984-05-08),

3. 4312478 - Elastic rail fastening device (1982-01-26),

4. 4310120 - Elastic rail fastening device (1982-01-12),

5. 4143818 - Rail fastening apparatus (1979-03-13),

Tetsudo Kizai Kogyo Company Limited is a leading provider of railway materials and equipment in Japan. With over 50 years of experience, the company specializes in manufacturing and supplying a wide range of products including railway tracks, sleepers, and signaling systems. TKK Company is known for its reliability, quality, and commitment to innovation in the railway industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

5 Patents

#2,450 in Tokyo

#6,487 in Japan

Tokyo, Japan

Tetsudo Kizai Kogyo Company Limited

Forward Citations = 21

2 inventors:

Yoshio Matsuo (5 out of 10 patents)

Kentaro Matsubara (4 out of 5 patents)

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