C04B 35/493
Containing also other lead compounds
Official title: containing also other lead compounds
C04B35/493 (Containing also other lead compounds) appears on 220 US grants and 204 published applications in this corpus.
Search patents in C04B- Granted patents
- 220
- Published applications
- 204
- Assignees
- 85
- Inventors
- 438
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 4 |
| 2003 | 6 | 11 |
| 2004 | 9 | 11 |
| 2005 | 3 | 9 |
| 2006 | 7 | 20 |
| 2007 | 6 | 19 |
| 2008 | 12 | 20 |
| 2009 | 15 | 19 |
| 2010 | 15 | 15 |
| 2011 | 12 | 11 |
| 2012 | 14 | 8 |
| 2013 | 5 | 4 |
| 2014 | 10 | 12 |
| 2015 | 6 | 5 |
| 2016 | 6 | 10 |
| 2017 | 7 | 10 |
| 2018 | 6 | 2 |
| 2019 | 9 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 4 |
| 2024 | 0 | 3 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Antiferroelectric containing dysprosium and a manufacturing method thereof9 Jun 2026US 12,649,693 B2Hyundai Motor Company
- Ceramic material for capacitor6 Jan 2026US 12,518,919 B2TDK Electronics Co., Ltd.
- Hard piezoelectric ceramic composition for multilayer piezoelectric transformers7 Nov 2023US 11,812,665 B1QorTek, Inc.
- Power module with capacitor configured for improved thermal management28 Dec 2021US 11,212,947 B2Epcos AG
- Piezoelectric laminate and piezoelectric element20 Mar 2025US 2025/0098542 A1FUJIFILM Corporation
- 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
- Piezoelectric material composition, method of manufacturing the same, piezoelectric device, and apparatus including the piezoelectric device4 Jul 2024US 2024/0217882 A1Korea University Research and Business Foundation
- Antiferroelectric containing dysprosium and a manufacturing method thereof18 Apr 2024US 2024/0124363 A1Hyundai Motor Company
- Deposition Of Piezoelectric Films4 Apr 2024US 2024/0114800 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Process for producing a composition which includes perovskite compounds51US 4,643,984 ASakai Chemical Industry Co., Ltd. · 1987
- Temperature compensated stack of piezoelectric elements48US 4,570,098 ANippon Soken, Inc. · 1986
- Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element42US 6,097,133 ASeiko Epson Corporation · 2000
- Piezoelectric/electrostrictive element34US 6,246,156 B1NGK Insulators, Ltd. · 2001
- Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element34US 6,294,860 B1Seiko Epson Corporation · 2001