C04B 35/4688
Containing lead compounds
Official title: {containing lead compounds (C04B35/472 takes precedence)}
C04B35/4688 (Containing lead compounds) appears on 13 US grants and 5 published applications in this corpus.
Search patents in C04B- Granted patents
- 13
- Published applications
- 5
- Assignees
- 12
- Inventors
- 35
- Latest grant
- 23 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optically transparent actuator23 Feb 2021US 10,928,556 B2Facebook Technologies, LLC
- Low-fire high-permittivity dielectric compositions9 Jan 2007US 7,160,828 B2Korea Institute of Science and Technology
- Low-fire high-permittivity dielectric compositions9 Jan 2007US 7,160,829 B2Korea Institute of Science and Technology
- Low-fire high-permittivity dielecric compositions8 Aug 2006US 7,087,545 B2Korea Institute of Science and Technology
- Dielectric ceramic composition and multilayered ceramic substrate5 Nov 2002US 6,475,607 B2Murata Manufacturing Co., Ltd.
- Optically transparent actuator10 Dec 2020US 2020/0386916 A1Facebook Technologies, LLC
- Low-fire high-permittivity dielectric compositions6 Jul 2006US 2006/0148637 A1Korea Institute of Science and Technology
- Low-fire high-permittivity dielectric compositions6 Jul 2006US 2006/0148638 A1Korea Institute of Science and Technology
- Low-fire high-permittivity dielectric compositions7 Oct 2004US 2004/0198585 A1Korea Institute of Science and Technology
- Dielectric ceramic composition and multi layered ceramic substrate28 Feb 2002US 2002/0025439 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Multilayer ceramic capacitive element24US 5,036,424 AMatsushita Electric Industrial Co., Ltd. · 1991
- Dielectric ceramic for microwave applications21US 5,077,247 AOki Electric Industry Co., Ltd. · 1991
- Dielectric ceramic for microwaves10US 5,376,603 AKYOCERA Corporation · 1994
- Dielectric ceramic composition and ceramic electronic part with same10US 5,994,253 ATaiyo Yuden Co., Ltd. · 1999
- Dielectric ceramic compositions for microwave8US 5,688,732 AElectronics and Telecommunications Research Inst. · 1997