C04B 35/4684
Containing lead compounds
Official title: {containing lead compounds (C04B35/472 takes precedence)}
C04B35/4684 (Containing lead compounds) appears on 59 US grants and 14 published applications in this corpus.
Search patents in C04B- Granted patents
- 59
- Published applications
- 14
- Assignees
- 41
- Inventors
- 147
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic cutter material with a piezoelectric effect and preparation method thereof, and cutting tool19 May 2026US 12,635,418 B2Shandong University
- Method for synthesizing ceramic composite powder and ceramic composite powder25 Jun 2019US 10,329,199 B2XiangTan QUFO Technology Material CO., Ltd
- Dielectric ceramic composition and multilayer ceramic capacitor containing the same27 Mar 2018US 9,928,959 B2Samsung Electro-Mechanics Co., Ltd.
- BaTiO3—PbTiO3 series single crystal and method of manufacturing the same, piezoelectric type actuator and liquid discharge head using such piezoelectric type actuator15 Jun 2010US 7,736,433 B2Canon Kabushiki Kaisha
- BaTiO3-PbTiO3 series single crystal and method of manufacturing the same piezoelectric type actuator and liquid discharge head using such piezoelectric type actuator31 Aug 2004US 6,783,588 B2Canon Kabushiki Kaisha
- Piezoelectric material composition, method of manufacturing the same,piezoelectric device, and apparatus including the piezoelectric device6 Mar 2025US 2025/0081854 A1Korea University Research and Business Foundation
- Ptc semiconductor ceramic composition, method for producing the semiconductor ceramic and heating device and use16 Jan 2025US 2025/0022637 A1Mahle International GmbH
- Ceramic material of ceramic electrode for tumor treating fields and preparation method thereof1 Aug 2024US 2024/0254052 A1Hebei Puni Medical Technology Co., Ltd
- Ceramic cutter material with a piezoelectric effect and preparation method thereof, and cutting tool20 Jul 2023US 2023/0232721 A1Shandong University
- Method for synthesizing ceramic composite powder and ceramic composite powder3 May 2018US 2018/0118626 A1XiangTan QUFO Technology Material CO., Ltd
Most cited
By later US patents
- Dielectric ceramic composition and laminated ceramic capacitor using the same47US 6,243,254 B1Murata Manufacturing Co., Ltd. · 2001
- Low firing monolithic ceramic capacitor with high dielectric constant46US 4,283,753 ASprague Electric Company · 1981
- Barium titanate based dielectric compositions42US 4,832,939 ACabot Corporation · 1989
- Monolithic ceramic capacitor41US 5,117,326 AMurata Manufacturing Co., Ltd. · 1992
- Dispersion process for ceramic green body33US 4,710,227 AThe Dow Chemical Company · 1987