Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11545795 | Connector | Toshiro Maejima, Kouichirou Matsushita, Fujio Usui | 2023-01-03 |
| 11495925 | Connector | Toshiro Maejima, Kouichirou Matsushita | 2022-11-08 |
| 10289017 | Yellow toner | — | 2019-05-14 |
| 10088768 | Yellow toner | — | 2018-10-02 |
| 9964884 | Yellow toner | — | 2018-05-08 |