EPO Patents = 1

Forward Citations = 225

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21 inventors (with patents filed for the assignee):

Keitaro Yamamoto (3 out of 4 patents)

Koichi Kuramoto (2 out of 4 patents)

Toru Suguro (2 out of 2 patents)

4. Mamoru Mitsuishi (1 out of 5 patents)

5. Kouichi Kuramoto (1 out of 2 patents)

6. Hiroyasu Ikegami (1 out of 1 patent)

7. Yukio Horiuchi (1 out of 1 patent)

8. Shinichiro Takayama (1 out of 1 patent)

9. Atsuhito Seki (1 out of 1 patent)

10. Shigeki Momohara (1 out of 1 patent)

11. Toshiyasu Nakamura (1 out of 1 patent)

12. Atsushi Tanji (1 out of 1 patent)

13. Shinichi Warisawa (1 out of 5 patents)

14. Takayuki Inoue (1 out of 2 patents)

15. Atsuhito Seki (0 patent)

4 patents: Sort by Forward Citations

1. 8100980 - Artificial elbow joint (2012-01-24),

2. 7678152 - Artificial knee joint (2010-03-16),

3. 7264635 - Artificial knee joint (2007-09-04),

4. 6955585 - Curved surface machining method and an apparatus thereof (2005-10-18),

Nakashima Propeller Co., Ltd. is a leading manufacturer of marine propellers, established in 1931. With decades of experience and cutting-edge technology, they provide high-quality propellers that ensure optimal performance and efficiency for various types of vessels. Nakashima Propeller is globally recognized for its reliable products and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#36 in Okayama

#7,416 in Japan

Okayama, Japan

Nakashima Propeller Co., Ltd.