C04B 14/325
Nitrides
Official title: {Nitrides}
C04B14/325 (Nitrides) appears on 6 US grants and 7 published applications in this corpus.
Search patents in C04B- Granted patents
- 6
- Published applications
- 7
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 30 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year.
Subgroups
Granted patents
Recent patents
- Light-shielding film for optical element and optical element having light-shielding film30 Nov 2021US 11,187,832 B2Canon Kabushiki Kaisha
- Light-shielding film for optical element and optical element having light-shielding film14 Aug 2018US 10,048,410 B2Canon Kabushiki Kaisha
- Functionalized boron nitride materials and methods for their preparation and use2 Jan 2018US 9,859,034 B2Empire Technology Development LLC
- Light-shielding film for optical element and optical element having light-shielding film17 Feb 2015US 8,958,155 B2Canon Kabushiki Kaisha
- Reformed aluminum nitride sintered body and method of producing the same22 Apr 2014US 8,703,041 B2Tokuyama Corporation
- Polymer Concrete for Integrated Radiation Shielding1 Dec 2022US 2022/0384064 A1UNM Rainforest Innovations
- Light-shielding film for optical element and optical element having light-shielding film15 Nov 2018US 2018/0329120 A1Canon Kabushiki Kaisha
- Light-shielding film for optical element and optical element having light-shielding film15 Dec 2016US 2016/0363701 A9Canon Kabushiki Kaisha
- Functionalized boron nitride materials and methods for their preparation and use29 Sep 2016US 2016/0280980 A1Empire Technology Development LLC
- Light-shielding film for optical element and optical element having light-shielding film7 May 2015US 2015/0125689 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Functionalized boron nitride materials and methods for their preparation and use14US 9,859,034 B2Empire Technology Development LLC · 2018
- Light-shielding film for optical element and optical element having light-shielding film12US 8,958,155 B2Canon Kabushiki Kaisha · 2015
- Method and apparatus for trace gas detection using off-axis cavity and multiple line integrated spectroscopy9US 8,149,407 B1Adelphi University · 2012
- Light-shielding film for optical element and optical element having light-shielding film5US 10,048,410 B2Canon Kabushiki Kaisha · 2018
- Reformed aluminum nitride sintered body and method of producing the same2US 8,703,041 B2Tokuyama Corporation · 2014