Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880589 | Process of making a non-oriented, surface-roughened film or sheet | Hiromi Shigemoto, Shunji Abe | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880589 | Process of making a non-oriented, surface-roughened film or sheet | Hiromi Shigemoto, Shunji Abe | 1989-11-14 |