ES

Eiiti Sugiyama

MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TE Toyo Engineering: 1 patents #103 of 295Top 35%
Overall (All Time): #2,346,620 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4569948 Preparation process of acetic acid Hiroshi Ono, Masao Hashimoto, Kenji Fujiwara, Kenji Yoshida 1986-02-11
4331451 Catalytic gasification Kazuyoshi Isogaya, Kenji Yoshida, Katsutoshi Kikuchi 1982-05-25