Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355671 | SULFONATED DERIVATIVES OF CYCLIC PHENOL SULFIDES, PROCESS FOR THE PREPARATION THEREOF, SEPARATING AND RECOVERING AGENTS CONTAINING CYCLIC PHENOL SULFIDES, METHODS FOR SEPARATION AND RECOVERY THEREWITH, AND DRUG COMPOSITIONS CONTAINING THE SULFIDES | Sotaro Miyano, Toyohisa Fujimoto, Fumio Hamada, Shingo Kato, Yoshiyuki Hiraishi +5 more | 2002-03-12 |
| 5881358 | Composition for extracting transition metal and method for extracting transition metal using the same | Sotaro Miyano, Fumitaka Narumi, Naoya Morohashi, Hitoshi Kumagai | 1999-03-09 |