Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241220 | Process for producing terephthalic acid | Shikiho Itaya, Takenori Nagaoka, Yukimasa Shigemura, Shigemi Shiraki | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241220 | Process for producing terephthalic acid | Shikiho Itaya, Takenori Nagaoka, Yukimasa Shigemura, Shigemi Shiraki | 1980-12-23 |