Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855353 | High molecular compounds having amino groups, and their utilization | Yoshifumi Shirakami, Keietsu Takahashi, Nobuo Ueda | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855353 | High molecular compounds having amino groups, and their utilization | Yoshifumi Shirakami, Keietsu Takahashi, Nobuo Ueda | 1989-08-08 |