Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4252698 | Anti-yellowing composition | Michio Ito, Yoshimitsu Numajiri, Tetsuo Sekiguchi | 1981-02-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4252698 | Anti-yellowing composition | Michio Ito, Yoshimitsu Numajiri, Tetsuo Sekiguchi | 1981-02-24 |