B41J 2/33525
Passivation layers
Official title: {Passivation layers}
B41J2/33525 (Passivation layers) appears on 126 US grants and 70 published applications in this corpus.
Search patents in B41J- Granted patents
- 126
- Published applications
- 70
- Assignees
- 42
- Inventors
- 215
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 4 |
| 2003 | 3 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 3 | 5 |
| 2010 | 2 | 6 |
| 2011 | 5 | 1 |
| 2012 | 5 | 3 |
| 2013 | 3 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 5 | 10 |
| 2019 | 6 | 5 |
| 2020 | 9 | 5 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 7 |
| 2024 | 6 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal print head10 Mar 2026US 12,570,092 B2Rohm Co., Ltd.
- Thermal print head, manufacturing method of the same, and thermal printer15 Jul 2025US 12,358,302 B2Rohm Co., Ltd.
- Thermal head and thermal printer19 Nov 2024US 12,145,379 B2KYOCERA Corporation
- Thermal transfer ribbon assembly comprising a metal layer and a protective coating layer1 Oct 2024US 12,103,318 B2Illinois Tool Works Inc.
- Thermal head and thermal printer24 Sep 2024US 12,097,715 B2KYOCERA Corporation
- Thermal head and thermal printer12 Feb 2026US 2026/0042298 A1KYOCERA Corporation
- Thermal Print Head30 Jan 2025US 2025/0033377 A1Rohm Co., Ltd.
- Thermal print head16 Jan 2025US 2025/0018731 A1Rohm Co., Ltd.
- Thermal print head14 Nov 2024US 2024/0375411 A1Rohm Co., Ltd.
- Thermal head and thermal printer23 Nov 2023US 2023/0373226 A1KYOCERA Corporation
Most cited
By later US patents
- Integrated thermal printing head and method of manufacturing the same53US 4,259,564 ANippon Electric Co., Ltd. · 1981
- Thin film thermal print head36US 3,973,106 AHewlett-Packard Company · 1976
- Thermal head34US 6,256,053 B1Fuji Photo Film Co., Ltd. · 2001
- Silicon substrate having porous oxidized silicon layers and its production method22US 5,156,896 AAlps Electric Co., Ltd. · 1992
- Method of manufacturing an integrated thermal printing head18US 4,241,103 ANippon Electric Co., Ltd. · 1980