Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370502 | Process for producing p-nitroaniline | Taira Harada, Toyozi Shimizu | 1983-01-25 |
| 4241220 | Process for producing terephthalic acid | Shikiho Itaya, Teruo Itoh, Yukimasa Shigemura, Shigemi Shiraki | 1980-12-23 |