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Hazama Corporation

USPTO Granted Patents = 8

Forward Citations = 29

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21 inventors (with patents filed for the assignee):

Terunobu Maeda (5 out of 6 patents)

Atsunori Negishi (3 out of 3 patents)

Takashi Sakai (1 out of 11 patents)

4. Reiko Tanaka (1 out of 5 patents)

5. Koichi Taniguchi (1 out of 3 patents)

6. Tsuyoshi Sugio (1 out of 2 patents)

7. Toshio Enokida (1 out of 15 patents)

8. Hiromi Uchida (1 out of 4 patents)

9. Yasuo Nogami (1 out of 1 patent)

10. Tatsuo Suzuki (1 out of 1 patent)

11. Yoichi Honda (1 out of 1 patent)

12. Eiichi Kudou (1 out of 2 patents)

13. Kazuyuki Ouchi (1 out of 2 patents)

14. Shoichi Yokochi (1 out of 1 patent)

15. Masatoshi Sasaki (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 6379083 - Method for the remediation of soil contaminated with organic halide compounds (2002-04-30),

2. 6224658 - Thiobacillus thiooxidansgrowth inhibitor, cement composition, and cement structure (2001-05-01),

3. 6146666 - Thiobacillus thiooxidans growth inhibitor (2000-11-14),

4. 5915790 - Tunnel boring machine (1999-06-29),

5. 5665241 - Dephosphorizing material and dephosphorizing method (1997-09-09),

6. 5518631 - Dephosphorizing material and method of dephosphorization (1996-05-21),

7. 5267812 - Upwelling-generating structure (1993-12-07),

8. 5243834 - Low temperature food storage equipment (1993-09-14),

Hazama Corporation is a construction company headquartered in Tokyo, Japan. Established in 1920, the company has a long history of delivering high-quality construction projects in various sectors including infrastructure, residential, commercial, and environmental. Hazama Corporation is committed to sustainable development, safety, and innovation in its construction projects.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

8 Patents

#1,908 in Tokyo

#4,920 in Japan

Hazama Corporation

Forward Citations = 29

21 inventors:

Terunobu Maeda (5 out of 6 patents)

Atsunori Negishi (3 out of 3 patents)

Takashi Sakai (1 out of 11 patents)

4. Reiko Tanaka (1 out of 5 patents)

5. Koichi Taniguchi (1 out of 3 patents)

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