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Yasuji Narahara

UI Ube Industries: 3 patents #427 of 1,686Top 30%
Overall (All Time): #1,666,705 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4898753 Process for the preparation of aromatic polyimide film Hiroshi Inoue, Tadao Muramatsu, Tetsuji Hirano 1990-02-06
4869861 Process for producing a shaped and drawn aromatic imide polymer article Hiroshi Inoue, Tetsuji Hirano, Tadao Muramatsu 1989-09-26
4839217 Aromatic polyimide film Kanzo Tabata, Hiroshi Inoue, Tadao Muramatsu 1989-06-13