EPO Patents = 1

Forward Citations = 66

Loading Chart...

7 inventors (with patents filed for the assignee):

Masatoshi Takeuchi (2 out of 2 patents)

Koichi Shimizu (1 out of 24 patents)

Hiroyuki Tomioka (1 out of 1 patent)

4. Takeshi Kawaguchi (1 out of 8 patents)

5. Yasuyo Maeda (1 out of 1 patent)

6. Takehide Matsuda (1 out of 1 patent)

7. Takayasu Hamagaki (1 out of 1 patent)

8. Takeshi c/o Seiken Co Ltd Kawaguchi (0 patent)

9. Koichi c/o Nat Univ Corp Hokkaido Univ Shimizu (0 patent)

10. Yasuyo c/o Seiken Co Ltd Maeda (0 patent)

4 patents: Sort by Forward Citations

1. 9459283 - Contact test device (2016-10-04),

2. 8137986 - Non-liquid phase type chemiluminescent enzyme immunoassay method and assay kit (2012-03-20),

3. 4715150 - Nonwoven fiber abrasive disk (1987-12-29),

4. 4622706 - Air mat apparatus (1986-11-18),

Seiken Co., Ltd. is a leading manufacturer of automotive parts based in Japan. With over 50 years of experience, Seiken specializes in producing high-quality brake components, engine parts, and fuel system components for vehicles worldwide. The company is dedicated to delivering reliable and innovative solutions to meet the needs of their customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#2,786 in Tokyo

#7,420 in Japan

Tokyo, Japan

Seiken Co., Ltd.