Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462386 | Leather-like sheet and method for production thereof | Tsuyoshi Yamasaki, Hidekazu Andoh | 2008-12-09 |
| 6767853 | Fibrous substrate for artificial leather and artificial leather using the same | Kimio Nakayama, Tsuyoshi Yamasaki | 2004-07-27 |
| 6517938 | Artificial leather sheet substrate and production process thereof | Hidekazu Andoh, Tsuyoshi Yamasaki | 2003-02-11 |
| 6322851 | Manufacturing process for leather-like sheet | Hideaki Adachi, Mitsuru Kato | 2001-11-27 |