AT

Akira Tsuzaki

MI Mitsui Petrochemical Industries: 1 patents #69 of 165Top 45%
Overall (1997): #179,546 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5604994 Drying hopper and powder drying method using the same Yoshiaki Annen, Isao Shizuma, Takao Uetake, Mitsunori Ichimura 1997-02-25