Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868505 | Printer apparatus | Toshio Narushima, Koichiro Kakinuma, Masao Araya, Shinichiro Mikami | 1999-02-09 |
| 5823690 | Printer apparatus | Toshio Narushima, Koichiro Kakinuma, Masao Araya, Shinichiro Mikami | 1998-10-20 |