Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685880 | Leather modifier, process for modifying leather and modified tanned leather | Tetsuya Masutani, Yasuo Itami, Masahiko Maeda, Norio Yanagisawa, Yoshihiko Misugi +1 more | 1997-11-11 |
| 5256318 | Leather treatment and process for treating leather | Tetsuya Masutani, Masahiko Maeda, Norio Yanagisawa | 1993-10-26 |