Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8604249 | Process for producing phosphonium borate compound, novel phosphonium borate compound, and method of using the same | Shin Masaoka | 2013-12-10 |
| 8124809 | Process for producing phosphonium borate compound, novel phosphonium borate compound, and method of using the same | Shin Masaoka | 2012-02-28 |
| 7728176 | Process for producing phosphonium borate compound, novel phosphonium borate compound, and method of using the same | Shin Masaoka | 2010-06-01 |
| 7250535 | Process for producing tertiary phosphine | Shinya Maehara | 2007-07-31 |