Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8139094 | Thermal head and thermal printer | Noboru Koyama, Toru Morikawa, Kei Sato | 2012-03-20 |
| 8098268 | Thermal head and printing device | Izumi Kariya, Noboru Koyama, Tooru Morikawa | 2012-01-17 |
| 8031215 | Thermal head, thermal printer and manufacturing method of thermal head | Noboru Koyama, Toru Morikawa, Kazunori Onuma | 2011-10-04 |
| 7907158 | Thermal head and printing device | Noboru Koyama, Izumi Kariya, Toru Morikawa | 2011-03-15 |
| 7843476 | Thermal head and printer | Tooru Morikawa, Izumi Kariya, Noboru Koyama | 2010-11-30 |