Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325981 | Method of preventing color accurate reproductions using color photocopiers and the like | Takeo Sugiura, Hideo Nagatomo, Kiyoshi Masui | 1982-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325981 | Method of preventing color accurate reproductions using color photocopiers and the like | Takeo Sugiura, Hideo Nagatomo, Kiyoshi Masui | 1982-04-20 |