Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7241924 | Industrial process for the production of diphenyl sulfone compounds | Syuichiro Sanpei, Yasuyuki Suzuki, Minoru Kaeriyama, Tomoya Hidaka, Toru Kawabe | 2007-07-10 |
| 6590126 | Industrial process for the production of diphenyl sulfone compounds | Syuichiro Sanpei, Yasuyuki Suzuki, Minoru Kaeriyama, Tomoya Hidaka, Toru Kawabe | 2003-07-08 |