Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831127 | Bisaminothiophenol compound | Satoru Saito, Haruyoshi Tatsu, Lev Solomonovich German, deceased | 1998-11-03 |
| 5824749 | Fluorine-containing elastomer composition | Takehiro Sonoi, Haruyoshi Tatsu, Lev Solomonovich, deceased, Satoru Saito | 1998-10-20 |
| 5763699 | Process for preparing 2,2-diphenylhexafluoropropanes | Lev Solomonovich German, deceased, Riichi Iwa, Haruyoshi Tatsu | 1998-06-09 |
| 5688872 | Bisaminothiophenol compound, process for producing the same and curing agent for fluorine-containing elastomer comprising the same | Takehiro Sonoi, Haruyoshi Tatsu, Lev Solomonovich German, deceased | 1997-11-18 |
| 5672758 | Bisaminothiophenol compound, process for producing the same and curing agent for fluorine-containing elastomer comprising the same | Takehiro Sonoi, Haruyoshi Tatsu, Lev Solomonovich German, deceased | 1997-09-30 |