Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11282542 | Tape cartridge with reel lock release member having gradually decreasing thickness extension portions | Hiroshi Kumagai, Chisato Akasaka | 2022-03-22 |
| 11217278 | Tape cartridge including reel lock member | Takeshi Saito, Hiroshi Kumagai | 2022-01-04 |