Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687001 | Halftone image ion printer | Akira Shibuya, Hiroyuki Kadowaki, Masayuki Iijima | 1997-11-11 |
| 5541542 | Halftone image device and its driving circuit | Akira Shibuya, Hiroyuki Kadowaki, Masayuki Iijima | 1996-07-30 |