SY

Seiichi Yokoyama

HE Hercofina: 1 patents #1 of 7Top 15%
Overall (1982): #31,605 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345089 Recovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixture Kenji Nagura, Shinichi Takeda, Koshi Namie, Takao Fujii, Michio Yamamoto 1982-08-17