Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8896923 | Corrugated pattern forming sheet, and methods for manufacturing antireflector, retardation plate, original process sheet plate, and optical element | — | 2014-11-25 |
| 7736551 | Corrugated pattern forming sheet and method for manufacturing the same, and method for manufacturing antireflector, retardation plate, original process sheet plate, and optical element | — | 2010-06-15 |
| 5952104 | Ink jet recording material | Naonobu Sugiyama, Kazuaki Ohshima, Kazuo Totani | 1999-09-14 |