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Mitsui Kensetsu Kabushiki Kaisha

USPTO Granted Patents = 16

Forward Citations = 105

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27 inventors (with patents filed for the assignee):

Tadashi Okamoto (5 out of 65 patents)

Hidetoshi Yoshida (5 out of 8 patents)

Toshiyuki Noji (5 out of 6 patents)

4. Eiji Tatsumi (5 out of 6 patents)

5. Shinichi Akao (4 out of 5 patents)

6. Hideyuki Kosaka (4 out of 5 patents)

7. Sumiyuki Matsubara (3 out of 3 patents)

8. Toshio Furuta (2 out of 5 patents)

9. Toru Sato (2 out of 13 patents)

10. Chuzo Kato (2 out of 12 patents)

11. Taiji Kanbayashi (2 out of 3 patents)

12. Shigeo Takamiya (2 out of 2 patents)

13. Masahisa Handa (2 out of 2 patents)

14. Yoshiyuki Takahashi (1 out of 44 patents)

15. Kazutoshi Inoue (1 out of 16 patents)

16 patents: Sort by Forward Citations

1. 5580642 - Reinforcing member for civil and architectural structures (1996-12-03),

2. 5164428 - Method for the production of fine grain ice and dry clathrate water for (1992-11-17),

3. 5092933 - Method for the production of concrete/mortar by using dry clathrate (1992-03-03),

4. 5074086 - Damping device in a structure and damping construction and damping (1991-12-24),

5. 4987711 - Damping device in a structure and damping construction and damping (1991-01-29),

6. 4987710 - Damping device in a structure and damping construction and damping (1991-01-29),

7. 4972636 - Damping device in a structure (1990-11-27),

8. 4953330 - Damping device in a structure and damping construction and damping (1990-09-04),

9. 4770832 - Process for manufacturing of structural reinforcing material (1988-09-13),

10. 4758610 - Process of producing resin concrete (1988-07-19),

11. 4684567 - Reinforced structural material and reinforced fibrous inorganic (1987-08-04),

12. 4618298 - Method for constructing an enlarged tunnel and apparatus for forming the (1986-10-21),

13. 4569616 - Driving process of enlarged tunnel (1986-02-11),

14. 4558906 - Shield machine (1985-12-17),

15. 4530621 - Shield driving process for enlargement (1985-07-23),

Mitsui Kensetsu Kabushiki Kaisha is a leading construction company in Japan, specializing in civil engineering, industrial plants, and high-rise building construction. With a rich history spanning over a century, they are known for their innovative and sustainable construction solutions, and commitment to quality and safety. Mitsui Kensetsu Kabushiki Kaisha holds a strong reputation for delivering complex projects on time and within budget, and has established a strong presence both domestically and internationally.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

16 Patents

#1,303 in Tokyo

#3,262 in Japan

#36,671 in the World

Mitsui Kensetsu Kabushiki Kaisha

Forward Citations = 105

27 inventors:

Tadashi Okamoto (5 out of 65 patents)

Hidetoshi Yoshida (5 out of 8 patents)

Toshiyuki Noji (5 out of 6 patents)

4. Eiji Tatsumi (5 out of 6 patents)

5. Shinichi Akao (4 out of 5 patents)

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