Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044222 | Aromatic amine derivatives and organic electroluminescent device using same | Masahiro Kawamura, Hisayuki Kawamura | 2011-10-25 |
| 7998596 | Aromatic amine derivative and organic electroluminescence device using the same | Masahiro Kawamura | 2011-08-16 |
| 7976957 | Aromatic amine derivative and organic electroluminescent element employing the same | Hisayuki Kawamura, Chishio Hosokawa | 2011-07-12 |
| 7871951 | Magnesium compound, solid catalyst component, catalyst for olefin polymerization and method of producing polyolefin | Shojiro Tanase, Takanori Sadashima | 2011-01-18 |