SO

Sadao Ohtsuka

MC Mitsubishi Gas Chemical Company: 2 patents #789 of 1,727Top 50%
Overall (All Time): #2,360,351 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4485133 Oxygen absorbent packaging Toshio Komatsu, Yukio Kondoh, Hideyuki Takahashi 1984-11-27
4199472 Oxygen absorbent composition Takaaki Yamaguchi 1980-04-22