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Okumura Corporation

USPTO Granted Patents = 12

Forward Citations = 137

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25 inventors (with patents filed for the assignee):

Ikuo Shimoda (2 out of 16 patents)

Masami Mochimaru (2 out of 8 patents)

Susumu Otsuka (2 out of 2 patents)

4. Nobuyasu Kawai (2 out of 2 patents)

5. Susumu Murakami (2 out of 2 patents)

6. Mitsuru Miyazaki (1 out of 65 patents)

7. Hiroshi Saotome (1 out of 49 patents)

8. Satoshi Fujita (1 out of 7 patents)

9. Kiyoharu Suzuki (1 out of 2 patents)

10. Kunio Hayakawa (1 out of 1 patent)

11. Takafumi Fujita (1 out of 11 patents)

12. Toshinori Asahi (1 out of 2 patents)

13. Yoshio Ebara (1 out of 1 patent)

14. Kurimoto Kurimoto (1 out of 1 patent)

15. Kanemasa Inaba (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6123313 - Seismic isolation apparatus (2000-09-26),

2. 5934029 - Base isolator having mutually eccentric rotators (1999-08-10),

3. 5544452 - Method of and apparatus for damping the vibration of a building (1996-08-13),

4. 5358060 - Successive hole boring machine and lost strike preventing device for (1994-10-25),

5. D325833 - Desk (1992-05-05),

6. 4721339 - Rock crushing device and a method thereof (1988-01-26),

7. 4681170 - Rock drills for drilling continuously arrayed bores (1987-07-21),

8. 4673218 - Tunnel excavation method (1987-06-16),

9. 4666336 - Method of and apparatus for building thin lining on tunnel (1987-05-19),

10. 4436167 - Method of excavating a pile hole and an apparatus therefor (1984-03-13),

11. 4407622 - Soil transporting vehicle for transporting soils excavated by shield (1983-10-04),

12. 4392744 - Method of and apparatus for determining angular and transversal (1983-07-12),

Okumura Corporation is a global leader in construction and engineering services, specializing in infrastructure projects. With a strong reputation for quality and innovation, Okumura Corporation has successfully completed numerous landmark projects around the world. The company is committed to sustainable development and building a better future for communities everywhere.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

12 Patents

#365 in Osaka

#3,844 in Japan

#46,738 in the World

Okumura Corporation

Forward Citations = 137

25 inventors:

Ikuo Shimoda (2 out of 16 patents)

Masami Mochimaru (2 out of 8 patents)

Susumu Otsuka (2 out of 2 patents)

4. Nobuyasu Kawai (2 out of 2 patents)

5. Susumu Murakami (2 out of 2 patents)

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