Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783240 | Lightweight paper and process for producing same | Akio Kurokawa, Naoyuki Ifuku, Kenzo Seita | 1988-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783240 | Lightweight paper and process for producing same | Akio Kurokawa, Naoyuki Ifuku, Kenzo Seita | 1988-11-08 |