Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7581551 | Cleaning apparatus | Teruo Hiraoka, Kojiro Ohkawa | 2009-09-01 |
| 7461663 | Cleaning apparatus | Teruo Hiraoka, Kojiro Ohkawa | 2008-12-09 |
| 7073518 | Cleaning solution and cleaning method for mask used in vacuum vapor deposition step in production of low molecular weight organic EL device | Norio Ishikawa, Hideki Hijiya | 2006-07-11 |