Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981905 | Aromatic diamine, an intermediate therefor, a method for producing the aromatic diamine, and a method for producing the intermediate therefor | Motonori Takeda, Akihiro Tamaki | 2018-05-29 |
| 9957241 | Aromatic diamine, an intermediate therefor, a method for producing the aromatic diamine, and a method for producing the intermediate therefor | Motonori Takeda, Akihiro Tamaki, Seiichi Mori, Mitsutaka Imoto, Yoshihisa Takeda | 2018-05-01 |