OW

Osamu Watanabe

TC Toyo Soda Manufacturing Co.: 1 patents #5 of 35Top 15%
Overall (1982): #40,128 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4349519 Purification of wet process phosphoric acid Yoichi Hiraga, Masaki Nakatani 1982-09-14