Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869532 | Prints and production method thereof | Yoshio Abe, Shojiro Horiguchi, Shozo Ohira, Michiei Nakamura, Masaru Hasegawa +4 more | 1989-09-26 |
| 4638052 | Azo-pigment containing hydroxy naphthoic acid amide and an iminooxoisoindolenine components | Shojiro Horiguchi, Hisao Okamoto | 1987-01-20 |
| 4221709 | Azo pigments | Shojiro Horiguchi | 1980-09-09 |