Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936140 | Cap for ink bottle for refilling printer cartridges | Hitomi Ogasawara, Noriyasu Nagai, Hiroshi Koshikawa, Akihisa Shiozaki, Kenta Udagawa +2 more | 2021-11-16 |
| D936141 | Nozzle for ink bottle for refilling printer cartridges | Shoki Takiguchi, Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai, Hiroshi Koshikawa | 2021-11-16 |
| 11111061 | Liquid storage bottle | Noriyasu Nagai, Kenta Udagawa, Hiroshi Koshikawa, Hiroki Hayashi, Shoki Takiguchi | 2021-09-07 |
| 11090944 | Liquid storage bottle | Shoki Takiguchi, Kenta Udagawa, Hiroki Hayashi, Hiroshi Koshikawa, Noriyasu Nagai | 2021-08-17 |
| D925647 | Ink bottle for refilling printer cartridges | Hitomi Ogasawara, Shoki Takiguchi, Akihisa Shiozaki, Hiroki Hayashi, Noriyasu Nagai +2 more | 2021-07-20 |