Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471231 | Ink jet head | Hisato Hiraishi, Tadashi Mitsuhashi | 1995-11-28 |
| 5359354 | Ink jet head with dummy slots | Hisato Hiraishi, Fumio Maeno, Yoshihiko Yanagawa, Keisuke Kigawa | 1994-10-25 |