Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D315336 | Magnetic tape unit | Makoto Tsuchida | 1991-03-12 |
| D313016 | Automatic cartridge loader for magnetic tape unit | Makoto Tsuchida, Masaru Ohshita | 1990-12-18 |
| D286051 | Line printer | Yutaka Nakano, Toshiharu Fudatsuji | 1986-10-07 |
| D278542 | Point of sale terminal | Yoshinori Kakiuchi | 1985-04-23 |