Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9115262 | Complex inorganic colored pigment with reduced elution of hexavalent chromium therefrom | Naoko Harada, Seiichi Kadooka, Hisashi Kamatani | 2015-08-25 |
| 5972097 | Method of manufacturing inorganic pigment | Toyotaro Maki, Shigeru Suzuki | 1999-10-26 |