Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5382560 | Color developers and sheets thereof | Nobuo Hisada, Yoshiyuki Ueno, Yasuo Kotani, Tadao Yagyu | 1995-01-17 |
| 4529447 | Sizing composition | Masashi Okada, Yoichi Tominaga | 1985-07-16 |