H03H 9/02921
Measures for preventing electric discharge due to pyroelectricity
Official title: {Measures for preventing electric discharge due to pyroelectricity}
H03H9/02921 (Measures for preventing electric discharge due to pyroelectricity) appears on 91 US grants and 80 published applications in this corpus.
Search patents in H03H- Granted patents
- 91
- Published applications
- 80
- Assignees
- 43
- Inventors
- 220
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 2 |
| 2004 | 4 | 8 |
| 2005 | 6 | 10 |
| 2006 | 4 | 8 |
| 2007 | 5 | 3 |
| 2008 | 9 | 2 |
| 2009 | 5 | 4 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 4 |
| 2013 | 3 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 4 |
| 2017 | 1 | 3 |
| 2018 | 4 | 1 |
| 2019 | 4 | 5 |
| 2020 | 3 | 5 |
| 2021 | 0 | 3 |
| 2022 | 1 | 4 |
| 2023 | 5 | 1 |
| 2024 | 4 | 1 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Composite substrate for surface acoustic wave device and manufacturing method thereof16 Jan 2025US 2025/0023543 A1Shin-Etsu Chemical Co., Ltd.
- Saw device with improved thermal management19 Dec 2024US 2024/0421794 A1RF360 Singapore Pte. Ltd.
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- Blackened wafers and method for manufacturing the same, and wave filter device having the same17 Nov 2022US 2022/0368303 A1Fujian Jing' An Optoelectronics Co., Ltd
Most cited
By later US patents
- Surface acoustic wave devices and their manufacturing method57US 5,998,907 AMatsushita Electric Industrial Co., Ltd. · 1999
- Surface acoustic wave device with a layered conductive film and method of producing the same42US 6,377,138 B1Kabushiki Kaisha Toshiba · 2002
- Method and apparatus for an acoustic wave filter34US 5,313,177 AMotorola, Inc. · 1994
- Surface acoustic wave module with thin film for wave transmission velocity differentiation33US 5,757,250 AMatsushita Electric Industrial Co., Ltd. · 1998
- Surface acoustic wave filter including saw resonators with transmission spaces therein31US 5,115,216 AHitachi, Ltd. · 1992