YK

Yoshitaka Kubota

TC Toyo Soda Manufacturing Co.: 1 patents #5 of 35Top 15%
Overall (1982): #22,041 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4346068 Process for preparing high-purity .alpha.-type silicon nitride Kiyoshi Kasai, Takaaki Tsukidate 1982-08-24