| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takagi Yuki | 12 |
| #2 | Nakamura Hirotake | 8 |
| #3 | Kanbe Tomohiro | 7 |
| #4 | Sasaki Toyonori | 3 |
| #5 | Kondo Hirofumi | 2 |
| #6 | Kato Yasuhiro | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2012249691A1 | Printing-liquid cartridge and recording apparatus using the same | |
| US2009141101A1 | Valve mechanisms and ink cartridges | |
| US2009141103A1 | Ink cartridges and methods of manufacturing such ink cartridges |