CK

Chikashi Kami

RI Railway Technical Research Institute: 1 patents #4 of 42Top 10%
TC Tokyu Construction Co.: 1 patents #1 of 14Top 8%
Overall (1994): #149,775 of 165,921Top 95%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5348424 Reinforcing block for excavation work and method of construction thereof Masaru Tateyama, Yukihiko Tamura, Kosei Fukuda, Shigeru Yoshida 1994-09-20