Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702850 | Thermosensitive reversible color-developing and disappearing agent | Kazuo Yamane, Masaki Nishimura, Yoshiyuki Takahashi | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702850 | Thermosensitive reversible color-developing and disappearing agent | Kazuo Yamane, Masaki Nishimura, Yoshiyuki Takahashi | 1997-12-30 |