GC

Gerard Emile Edgard Coispeau

TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
📍 Louviers, FR: #27 of 61 inventorsTop 45%
Overall (All Time): #2,257,810 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5721358 Process for the production of copper phthalocyanine Michichika Hikosaka 1998-02-24
5380363 Pigment composition John D. Schofield 1995-01-10