Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545024 | Sulfoxide compounds and acetone complexes, and a process for producing the same | Masahiko Tsujii, Nobuo Niikawa, Keizo Takayanagi | 2003-04-08 |
| 6180652 | Sulfoxide compounds and acetone complexes, and a process for producing the same | Masahiko Tsujii, Nobuo Niikawa, Keizo Takayanagi | 2001-01-30 |