Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838177 | Reflection type photomask blank, reflection type photomask, and method of manufacturing semiconductor device using the same | Koichiro Kanayama, Tadashi Matsuo | 2010-11-23 |
| 6497989 | Method of manufacturing a planographic printing plate | — | 2002-12-24 |