Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8231933 | Method for manufacturing organic electroluminescence device | Koji Takeshita, Takahisa Shimizu, Hironori Kawakami, Nahoko Inokuchi, Hiroshi Matsuzawa | 2012-07-31 |
| 7546803 | Letterpress printing machine | Yukio Konaka, Hiroshi Matsuzawa | 2009-06-16 |