Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601759 | Pigment compositions, method for producing same, and colored resin compositions | Toshio Furubayashi, Takenori Funatsu, Osamu Aihara, Mikio Hayashi | 1986-07-22 |
| 4301049 | Method of producing an azo pigment suitable for use in a gravure printing ink and azo pigments produced thereby | Takenori Funatsu, Masuhiko Maejima, Kosaku Tsuji | 1981-11-17 |
| 4221606 | Phthalocyanine pigment compositions | Takenori Funatsu, Tetsuo Mishina, Kenji Kitamura, Ataru Chiba | 1980-09-09 |