C04B 2235/3253
Substoichiometric niobium or tantalum oxides
Official title: Substoichiometric niobium or tantalum oxides, e.g. NbO
C04B2235/3253 (Substoichiometric niobium or tantalum oxides) appears on 30 US grants and 38 published applications in this corpus.
Search patents in C04B- Granted patents
- 30
- Published applications
- 38
- Assignees
- 21
- Inventors
- 71
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 5 |
| 2004 | 1 | 3 |
| 2005 | 1 | 6 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 6 | 3 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Semiconductor devices and method of manufacturing the same21 Feb 2023US 11,588,012 B2Samsung Electronics Co., Ltd.
- Ceramic material and method for preparing the same19 Jul 2022US 11,390,564 B2University of Electronic Science and Technology of China
- Semiconductor devices and method of manufacturing the same13 Apr 2021US 10,978,552 B2Samsung Electronics Co., Ltd.
- Metal oxide macroscopic fiber and preparation method thereof19 May 2020US 10,655,245 B2Soochow University
- Niobium oxide sintered compact, sputtering target formed from said sintered compact, and method of producing niobium oxide sintered compact17 Mar 2020US 10,593,524 B2JX Nippon Mining & Metals Corporation
- Dielectric ceramic and ceramic capacitor using the same29 May 2025US 2025/0174402 A1Murata Manufacturing Co., Ltd.
- Ceramic14 Nov 2024US 2024/0376014 A1Murata Manufacturing Co., Ltd.
- Rare earth tantalate ceramic resisting corrosion of low melting point oxide and preparation method therefor12 May 2022US 2022/0144705 A1Kunming University of Science and Technology
- Semiconductor devices and method of manufacturing the same1 Jul 2021US 2021/0202693 A1Samsung Electronics Co., Ltd.
- Ceramic material and method for preparing the same18 Jun 2020US 2020/0189980 A1University of Electronic Science and Technology of China
Most cited
By later US patents
- Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides120US 6,416,730 B1Cabot Corporation · 2002
- Modified oxygen reduced valve metal oxides108US 6,639,787 B2Cabot Corporation · 2003
- Methods to make capacitors containing a partially reduced niobium metal oxide104US 6,592,740 B2Cabot Corporation · 2003
- Modified oxygen reduced valve metal oxides94US 7,220,397 B2Cabot Corporation · 2007
- Process for producing niobium suboxide85US 7,341,705 B2H. C. Starck GmbH · 2008