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USPTO Data Jan 1 1976 - Jan 6 2026
7 Patents
#2,027 in Tokyo
#5,307 in Japan
Nippon Koei Co., Ltd.
Forward Citations = 8
26 inventors:
Nippon Koei Co., Ltd.
CIPO Patents = 2
EPO Patents = 5
Forward Citations = 8
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26 inventors (with patents filed for the assignee):
Hiroshi Komatsu (5 out of 5 patents)
Kenji Hasegawa (3 out of 43 patents)
Motonobu Ito (3 out of 3 patents)
4. Shigeki Nishimura (3 out of 19 patents)
5. Ikuo Uemura (2 out of 2 patents)
6. Hirofumi Ishiwada (2 out of 2 patents)
7. Shouichi Banba (2 out of 2 patents)
8. Aya Uchino (2 out of 2 patents)
9. Tsuneo Ochiai (2 out of 2 patents)
10. Shigeru Tukada (2 out of 2 patents)
11. Kazuhiro Yamanouchi (2 out of 2 patents)
12. Iwao Ito (2 out of 2 patents)
13. Tamotsu Kikuchi (1 out of 1 patent)
14. Takato Aoyama (1 out of 1 patent)
15. Takaaki Odate (1 out of 1 patent)
7 patents:
Nippon Koei Co., Ltd. is a Japanese engineering consulting and construction company. With expertise in various sectors including infrastructure, energy, environment, and urban development, Nippon Koei has been contributing to the sustainable development of societies around the world. Established in 1946, the company has a long history and a solid reputation for delivering high-quality services and innovative solutions to its clients.
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2 patents (CIPO):
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5 patents (EPO):
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