Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143991 | Copolymer desoiling agent | Yoshio Amimoto, Masaru Hirai, Akihiko Ueda | 1992-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143991 | Copolymer desoiling agent | Yoshio Amimoto, Masaru Hirai, Akihiko Ueda | 1992-09-01 |