Patent Theme
Printhead Actuator Design
Innovations in the design and arrangement of piezoelectric or thermal actuators, drive electronics, and fluidic structures within the printhead to achieve precise and efficient liquid ejection.
4,734 US filings from 314 companies since 2023 · 2023: 1,301 · 2024: 1,460 · 2025: 1,351 · 2026 YTD: 622
Printers & Typewriters
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Seiko Epson Corporation | 1,141 | 262 | 343 | 365 | 171 | +6.4% |
| 2 | CANON KABUSHIKI KAISHA | 847 | 177 | 245 | 272 | 153 | +11.0% |
| 3 | BROTHER KOGYO KABUSHIKI KAISHA | 479 | 158 | 170 | 113 | 38 | -33.5% |
| 4 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. | 261 | 131 | 77 | 45 | 8 | -41.6% |
| 5 | Ricoh Company, Ltd. | 249 | 70 | 72 | 79 | 28 | +9.7% |
| 6 | KYOCERA Document Solutions Inc. | 134 | 19 | 43 | 49 | 23 | +14.0% |
| 7 | KYOCERA CORPORATION | 82 | 19 | 29 | 24 | 10 | -17.2% |
| 8 | TOSHIBA TEC KABUSHIKI KAISHA | 79 | 26 | 41 | 9 | 3 | -78.0% |
| 9 | SII PRINTEK INC. | 77 | 19 | 28 | 19 | 11 | -32.1% |
| 10 | Konica Minolta, Inc. | 68 | 21 | 22 | 22 | 3 | 0.0% |
| 11 | Samsung Display Co., Ltd. | 65 | 13 | 22 | 21 | 9 | -4.5% |
| 12 | Memjet Technology Limited | 58 | 28 | 15 | 7 | 8 | -53.3% |
| 13 | Xerox Corporation | 57 | 14 | 17 | 17 | 9 | 0.0% |
| 14 | SCREEN Holdings Co., Ltd. | 53 | 5 | 19 | 16 | 13 | -15.8% |
| 15 | RISO Technologies Corporation | 46 | · | 4 | 24 | 18 | +500.0% |
| 16 | FUJIFILM CORPORATION | 38 | 8 | 14 | 12 | 4 | -14.3% |
| 17 | Funai Electric Co., Ltd. | 32 | 15 | 15 | 2 | · | -86.7% |
| 18 | ROHM CO., LTD. | 30 | 11 | 10 | 6 | 3 | -40.0% |
| 19 | Roland DG Corporation | 29 | 8 | 7 | 10 | 4 | +42.9% |
| 20 | Canon Production Printing Holding B.V. | 29 | 6 | 10 | 8 | 5 | -20.0% |
| 21 | SEMES CO., LTD. | 24 | 8 | 9 | 3 | 4 | -66.7% |
| 22 | ZEBRA TECHNOLOGIES CORPORATION | 21 | 6 | 4 | 6 | 5 | +50.0% |
| 23 | FUJIFILM DIMATIX, INC. | 20 | 5 | 7 | 6 | 2 | -14.3% |
| 24 | Kateeva, Inc. | 20 | 6 | 6 | 6 | 2 | 0.0% |
| 25 | MIMAKI ENGINEERING CO., LTD. | 20 | 9 | 7 | 4 | · | -42.9% |