Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943948 | Fresnel lens sheet and transmission type projection screen | Makoto Honda, Hiroshi Sekiguchi | 2005-09-13 |
| 6798572 | Transmission screen sheet and transmission screen comprising the same | Masanao Jinno, Masayoshi Miyauchi, Makoto Honda | 2004-09-28 |