KO

Kazumasa Ozawa

Overall (1994): #108,044 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5316572 Method of manufacturing concrete for placement in air not requiring consolidation Hajime Okamura, Koichi Maekawa 1994-05-31