Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366252 | Infrared-absorbing mark printed matter | Masato Nishida, Toshio Oshima, Tsunemi Ohiwa | 1994-11-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366252 | Infrared-absorbing mark printed matter | Masato Nishida, Toshio Oshima, Tsunemi Ohiwa | 1994-11-22 |