C09K 11/776
Chalcogenides
Official title: {Chalcogenides}
C09K11/776 (Chalcogenides) appears on 55 US grants and 31 published applications in this corpus.
Search patents in C09K- Granted patents
- 55
- Published applications
- 31
- Assignees
- 34
- Inventors
- 87
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 1 | 7 |
| 2014 | 7 | 4 |
| 2015 | 4 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Photoelectric conversion element and solar cell20 May 2025US 12,310,142 B2Kabushiki Kaisha Toshiba
- Phosphor and light-emitting equipment using phosphor11 Jul 2023US 11,697,765 B2Citizen Electronics Co., Ltd.
- Phosphor and light-emitting equipment using phosphor10 Aug 2021US 11,084,980 B2Citizen Electronics Co., Ltd.
- Mineral wool product12 Feb 2019US 10,203,282 B2Knauf Insulation, Inc.
- Phosphor and light-emitting equipment using phosphor11 Sep 2018US 10,072,207 B2Citizen Electronics Co., Ltd.
- Photoelectric conversion element and solar cell11 Jul 2024US 2024/0234600 A1Kabushiki Kaisha Toshiba
- Phosphor and light-emitting equipment using phosphor24 Feb 2022US 2022/0056339 A1Citizen Electronics Co., Ltd.
- Phosphor and light-emitting equipment using phosphor2 May 2019US 2019/0127638 A1Citizen Electronics Co., Ltd.
- Dosimeter Using Magnesium Oxide and Radiation Dose Measuring Method3 Jan 2019US 2019/0002762 A1Nara Institute of Science and Technology
- Phosphor and light-emitting equipment using phosphor5 Oct 2017US 2017/0283261 A1Citizen Electronics Co., Ltd.
Most cited
By later US patents
- Method for producing rare earth activited metal oxide nanocrystals77US 5,637,258 ANanocrystals Technology L.P. · 1997
- X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing neodymium to reduce afterglow62US 4,967,085 AEastman Kodak Company · 1990
- X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing erbium to reduce afterglow45US 4,972,086 AEastman Kodak Company · 1990
- Composition containing a hafnia phosphor of enhanced luminescence34US 4,994,205 AEastman Kodak Company · 1991
- Method of preparing small particle size borate phosphor23US 5,132,043 AGTE Products Corporation · 1992