AT

Akihiro Taguma

SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
📍 Kasai, JP: #2,179 of 5,842 inventorsTop 40%
Overall (All Time): #1,624,179 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6277966 Azo-compounds and dye polarizing films containing them Yutaka Kayane, Narutoshi Hayashi 2001-08-21
4519947 Process for producing anthraquinone compounds Makoto Hattori, Toshihiko Morimitsu, Akira Takeshita 1985-05-28
4510087 Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid Makoto Hattori, Akira Takeshita 1985-04-09