Forward Citations = 28

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24 inventors (with patents filed for the assignee):

Yuji Takahashi (2 out of 171 patents)

Joe Masuyama (2 out of 2 patents)

Koji Mikuriya (2 out of 2 patents)

4. Tsuneo Takai (2 out of 2 patents)

5. Shinji Chiba (2 out of 2 patents)

6. Junichi Sugawara (2 out of 2 patents)

7. Yoshinori Hamano (2 out of 2 patents)

8. Koji Funahashi (2 out of 2 patents)

9. Katsuyuki Onishi (2 out of 2 patents)

10. Kiyoshi Hotta (2 out of 2 patents)

11. Kaoru Kobayashi (1 out of 17 patents)

12. Hiroshi Chikahisa (1 out of 1 patent)

13. Kazunobu Matsumoto (1 out of 1 patent)

14. Hirotaka Nakahara (1 out of 1 patent)

15. Masayuki Tsutsui (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7023468 - Photo survey service system (2006-04-04),

2. 7018466 - Process for producing a concrete and a mortar (2006-03-28),

3. 5101605 - Domed structures having retractable roofs (1992-04-07),

4. 5058332 - Domed structures having retractable roofs (1991-10-22),

5. 4767240 - Pile-framed structure (1988-08-30),

Tobishima Corporation is a leading construction and engineering company based in Japan. With over 70 years of experience, Tobishima Corporation specializes in civil engineering, building construction, plant construction, and environmental and energy-related projects. They are committed to delivering high-quality, innovative solutions to their clients while prioritizing safety, sustainability, and community engagement.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

5 Patents

#2,444 in Tokyo

#6,488 in Japan

Tokyo, Japan

Tobishima Corporation