Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853859 | Operation data recording system | Izuru Morita, Shoji Tozawa, Tadasi Atono | 1989-08-01 |
| 4757454 | Operation data-recording system for a machine | Tadashi Atono, Izuru Morita, Shoji Tozawa, Masao Fujiwara, Yoshinobu Nakamura | 1988-07-12 |