Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9121099 | Vacuum processing apparatus and processing method using the same | — | 2015-09-01 |
| 8983338 | Image forming apparatus | Toshihiko Numazu, Yusuke Tokuda, Toshihiro Ogawa, Ryoji Abe | 2015-03-17 |
| 6463231 | Printer device | Toshihiko Numazu, Shigeru Hirosawa, Tetsushi Kurokawa, Noriki Ono, Yasuhiro Tsuyuki +2 more | 2002-10-08 |
| 4619518 | Two-color image forming apparatus | Nobuo Akiba | 1986-10-28 |