Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863835 | Developer composition for lithographic printing plates | Shigeki Shimizu, Akinobu Oshima, Noriaki Takahashi | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863835 | Developer composition for lithographic printing plates | Shigeki Shimizu, Akinobu Oshima, Noriaki Takahashi | 1989-09-05 |