YM

Yoshio Matsumura

JR Japan Synthetic Rubber: 1 patents #4 of 49Top 9%
Overall (1982): #21,990 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4349664 Doped acetylene polymer and process for production thereof Ikuo Nozue, Takashi Ukachi 1982-09-14