Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354816 | Sulfonated aniline-type copolymer and process for production thereof | Shigeru Shimizu, Takashi Saitoh | 1994-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354816 | Sulfonated aniline-type copolymer and process for production thereof | Shigeru Shimizu, Takashi Saitoh | 1994-10-11 |