Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447576 | Cleaning agent and cleaning process of harmful gas | Yutaka Amijima, Ryuji Hasemi, Youji Nawa | 2002-09-10 |
| 6429843 | Electro-optical device | Hongyong Zhang, Satoshi Teramoto | 2002-08-06 |