Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798165 | Porous polyurethane sheet | Shinji Nakanishi, Toshiyuki Akasawa | 1998-08-25 |
| 5648151 | Porous polyurethane sheet | Shinji Nakanishi, Toshiyuki Akasawa | 1997-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798165 | Porous polyurethane sheet | Shinji Nakanishi, Toshiyuki Akasawa | 1998-08-25 |
| 5648151 | Porous polyurethane sheet | Shinji Nakanishi, Toshiyuki Akasawa | 1997-07-15 |