Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157091 | Ultraviolet-absorbing polymer material and photoetching process | Shimomura Takeshi, Takahashi Toru | 1992-10-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157091 | Ultraviolet-absorbing polymer material and photoetching process | Shimomura Takeshi, Takahashi Toru | 1992-10-20 |