MI

M. G. M. U. Ismail

CC Chichibu Cement Co.: 2 patents #15 of 80Top 20%
📍 Gyōda, JP: #250 of 565 inventorsTop 45%
Overall (All Time): #2,303,281 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5229093 Method for making mullite whiskers using hydrofluoric acid Hiroshi Arai, Zenjiro Nakai 1993-07-20
5045514 Sol-gel method for making composite mullite/cordierite ceramics Zenjiro Nakai, Hideo Tsunatori 1991-09-03