Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784608 | Light-absorptive antireflection filter, with pigment containing light-absorptive film and electroconducting thin film, and device using same | Takao Sumida, Masataka Yamashita, Hiroko Funahashi | 2004-08-31 |