HT

Hiroyasu Takeuchi

MC Mitsubishi Mining & Cement Co.: 1 patents #7 of 25Top 30%
Overall (1989): #103,934 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4820573 Fiber glass mainly composed of calcium phosphate Hideo Tagai, Masahiro Kobayashi, Shigeo Niwa, Mikiya Ono 1989-04-11