Patent Theme
Printer Thermal Management
Systems and methods for controlling temperature within image forming apparatuses, particularly for fixing devices, and during printer operation or shutdown, to ensure optimal performance, energy efficiency, and component longevity.
7,703 US filings from 582 companies since 2023 · 2023: 2,064 · 2024: 2,361 · 2025: 2,321 · 2026 YTD: 957
Electrography (Xerography)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | CANON KABUSHIKI KAISHA | 2,971 | 757 | 866 | 949 | 399 | +9.6% |
| 2 | BROTHER KOGYO KABUSHIKI KAISHA | 727 | 237 | 239 | 195 | 56 | -18.4% |
| 3 | KYOCERA Document Solutions Inc. | 587 | 139 | 159 | 188 | 101 | +18.2% |
| 4 | FUJIFILM Business Innovation Corp. | 581 | 151 | 183 | 177 | 70 | -3.3% |
| 5 | Ricoh Company, Ltd. | 403 | 100 | 124 | 128 | 51 | +3.2% |
| 6 | TOSHIBA TEC KABUSHIKI KAISHA | 311 | 113 | 123 | 57 | 18 | -53.7% |
| 7 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. | 244 | 99 | 85 | 44 | 16 | -48.2% |
| 8 | Konica Minolta, Inc. | 180 | 32 | 53 | 64 | 31 | +20.8% |
| 9 | SHARP KABUSHIKI KAISHA | 154 | 28 | 42 | 52 | 32 | +23.8% |
| 10 | LEXMARK INTERNATIONAL, INC. | 83 | 24 | 25 | 30 | 4 | +20.0% |
| 11 | Zhuhai Pantum Electronics Co., Ltd. | 63 | 10 | 22 | 25 | 6 | +13.6% |
| 12 | Oki Electric Industry Co., Ltd. | 43 | 8 | 22 | 11 | 2 | -50.0% |
| 13 | Seiko Epson Corporation | 41 | 12 | 15 | 10 | 4 | -33.3% |
| 14 | TOKYO ELECTRON LIMITED | 23 | 5 | 8 | 7 | 3 | -12.5% |
| 15 | Panasonic Intellectual Property Management Co., Ltd. | 19 | 7 | 7 | 3 | 2 | -57.1% |
| 16 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 18 | 4 | 5 | 4 | 5 | -20.0% |
| 17 | SAMSUNG ELECTRONICS CO., LTD. | 16 | 2 | 3 | 7 | 4 | +133.3% |
| 18 | JIANGXI YIBO E-TECH CO. LTD. | 16 | 4 | 5 | 7 | · | +40.0% |
| 19 | Eberspächer catem GmbH & Co. KG | 15 | 1 | 10 | 3 | 1 | -70.0% |
| 20 | DENSO CORPORATION | 14 | 5 | 1 | 5 | 3 | +400.0% |
| 21 | KT&G Corporation | 14 | 2 | 5 | 5 | 2 | 0.0% |
| 22 | Zhuhai Ninestar Information Technology Co., Ltd | 14 | · | 2 | 10 | 2 | +400.0% |
| 23 | ETRIA Co., Ltd. | 13 | · | · | · | 13 | — |
| 24 | Landa Corporation Ltd. | 13 | 4 | 6 | 2 | 1 | -66.7% |
| 25 | SEMES CO., LTD. | 12 | 3 | 3 | 4 | 2 | +33.3% |