B41J 2/2128
By means of energy modulation
Official title: {by means of energy modulation (control methods or devices therefor, e.g. driver circuits or control circuits B41J2/04501)}
B41J2/2128 (By means of energy modulation) appears on 447 US grants and 283 published applications in this corpus.
Search patents in B41J- Granted patents
- 447
- Published applications
- 283
- Assignees
- 111
- Inventors
- 737
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 28 | 0 |
| 2001 | 32 | 7 |
| 2002 | 26 | 14 |
| 2003 | 22 | 14 |
| 2004 | 14 | 9 |
| 2005 | 9 | 13 |
| 2006 | 6 | 19 |
| 2007 | 7 | 13 |
| 2008 | 14 | 21 |
| 2009 | 11 | 8 |
| 2010 | 19 | 12 |
| 2011 | 6 | 11 |
| 2012 | 12 | 13 |
| 2013 | 14 | 18 |
| 2014 | 23 | 10 |
| 2015 | 14 | 9 |
| 2016 | 13 | 6 |
| 2017 | 5 | 7 |
| 2018 | 7 | 10 |
| 2019 | 7 | 5 |
| 2020 | 10 | 13 |
| 2021 | 6 | 10 |
| 2022 | 6 | 6 |
| 2023 | 9 | 9 |
| 2024 | 8 | 5 |
| 2025 | 4 | 14 |
| 2026 | 0 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Substrate treating apparatus and method thereof16 Dec 2025US 12,498,597 B2Semes Co., Ltd.
- Printing device and printing method4 Nov 2025US 12,459,257 B2Seiko Epson Corporation
- Printing apparatus and printing method29 Apr 2025US 12,285,947 B2Seiko Epson Corporation
- Head device, ink jet printing device, and driving voltage adjustment method7 Jan 2025US 12,187,032 B2FUJIFILM Corporation
- Liquid discharge apparatus, liquid discharge method, and storage medium3 Dec 2024US 12,157,306 B2Ricoh Company, Ltd.
- Liquid discharge apparatus, liquid discharge system, liquid discharge method, and storage medium20 Aug 2026US 2026/0241705 A1
- Printhead for an inkjet printer, in particular coating print media30 Jul 2026US 2026/0217025 A1Durst Group AG
- Printing device, printing method, and non-transitory computer readable storage medium4 Jun 2026US 2026/0152010 A1Brother Kogyo Kabushiki Kaisha
- Minimizing printhead differential and methods thereof21 May 2026US 2026/0141201 A1Xerox Corporation
- Image forming apparatus23 Apr 2026US 2026/0109153 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Bubble jet recording method and apparatus in which a heating element generates bubbles in a liquid flow path to project droplets2,047US 4,723,129 ACanon Kabushiki Kaisha · 1988
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Bubble jet recording method and apparatus in which a heating element generates bubbles in multiple liquid flow paths to project droplets1,733US 4,740,796 ACanon Kabushiki Kaisha · 1988
- Method and apparatus for recording with writing fluids and drop projection means therefor528US 3,946,398 ASilonics, Inc. · 1976
- Liquid jet recording head with laminated heat resistive layers on a support member208US 4,965,594 ACanon Kabushiki Kaisha · 1990