Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165975 | Contrast medium-containing tube | — | 1992-11-24 |
| 5085863 | Tube provided with a white bismuth salt containing bismuth compound mixture as X-ray opaque agent | — | 1992-02-04 |
| 4654386 | Ketene dimer-acrylamide polymer aqueous dispersion | Tetsuya Hara, Toshiyuki Hakata | 1987-03-31 |