Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092798 | Ticket issuing apparatus | Shuuiti Hiratuka, Ryuji Ishii, Sadao Sone, Masatoshi Kawaji, Takashi Okada | 2000-07-25 |
| 5813774 | Ticket-printing device and ribbon assembly adapted for easy ribbon replacement and mode setting | Sadao Sone, Shinji Sado | 1998-09-29 |