IH

Itsuo Hirano

TC Toyo Soda Manufacturing Co.: 2 patents #85 of 272Top 35%
Overall (All Time): #2,367,688 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4347077 Process for producing magnesium alloys Takeshi Goto, Noboru Kawakami, Yoichi Itakura, Yuji Kawahara 1982-08-31
4217133 Refining additive and process for preparing same Takeshi Goto, Noboru Kawakami, Yuji Kawahara 1980-08-12