Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257846 | Liquid storage container | — | 2025-03-25 |
| 12064973 | Liquid cartridge and liquid ejection apparatus | Shinji Kishikawa, Hiroki Hayashi, Tatsuo Nanjo | 2024-08-20 |
| 11597210 | Liquid cartridge and liquid ejection apparatus | Shinji Kishikawa, Hiroki Hayashi, Tatsuo Nanjo | 2023-03-07 |
| 11590759 | Liquid container and liquid ejection apparatus | Tatsuo Nanjo, Hiroki Hayashi | 2023-02-28 |