SI

Sadayoshi Iijima

HC Hitachi Chemical Company: 1 patents #9 of 88Top 15%
Overall (1994): #71,338 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5372855 Treatment of inorganic building materials Keishi Hamada, Fumio Tashiro, Shigemasa Otani, Kanemasa Nomaguchi, Tomiguyu Murakami 1994-12-13