Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831201 | Process for producing diphenyl sulfone compound | Tomoya Hidaka, Yutaka Takashina, Yasuo Ohnuki | 2004-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831201 | Process for producing diphenyl sulfone compound | Tomoya Hidaka, Yutaka Takashina, Yasuo Ohnuki | 2004-12-14 |