Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599629 | Magnetic ink dot printer with means for controlling print density | Yoshihiro Torisawa, Ayumu Makino, Tsutomu Kimura | 1986-07-08 |
| 4562446 | Ink-dot printer with magnetic ink attracting and retention preventing means | Tutomu Kimura, Yoshihiro Torisawa, Ayumu Makino | 1985-12-31 |
| 4552469 | Ink dot printer | Yoshihiro Torisawa, Ayumu Makino, Tsutomu Kimura | 1985-11-12 |
| 4552472 | Ink dot printer | Yoshiro Torisawa, Ayumu Makino, Tsutomu Kimura | 1985-11-12 |