MD

Masaharu Doi

TO Tosoh: 1 patents #576 of 1,042Top 60%
TC Toyo Soda Manufacturing Co.: 1 patents #136 of 272Top 50%
Overall (All Time): #2,017,227 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9487883 Trimanganese tetraoxide and its production process Eiichi Iwata, Miki Yamashita 2016-11-08
4877498 Method for producing a metal salt by electrolysis Kenichi Fukuda, Takashi Mori, Yasuhiro Kurauchi, Tetsuya Suematsu 1989-10-31