Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847118 | Manufacturing method for a long patterned sheet provided with relief patterns | Iwao Hasegawa, Katsuji Kakinuma, Ryozi Takahashi | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847118 | Manufacturing method for a long patterned sheet provided with relief patterns | Iwao Hasegawa, Katsuji Kakinuma, Ryozi Takahashi | 1989-07-11 |