Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7559819 | Image display apparatus and production method thereof | Masaki Tokioka, Mitsutoshi Hasegawa, Tokutaka Miura | 2009-07-14 |
| 7119482 | Image display apparatus and production method thereof | Masaki Tokioka, Mitsutoshi Hasegawa, Tokutaka Miura | 2006-10-10 |
| 6621220 | Envelope and image-forming apparatus using the same | Mitsutoshi Hasegawa, Kazuya Shigeoka, Yutaka Arai | 2003-09-16 |