C09K 11/671
Chalcogenides
Official title: {Chalcogenides}
C09K11/671 (Chalcogenides) appears on 148 US grants and 100 published applications in this corpus.
Search patents in C09K- Granted patents
- 148
- Published applications
- 100
- Assignees
- 57
- Inventors
- 233
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 2 |
| 2002 | 4 | 3 |
| 2003 | 7 | 10 |
| 2004 | 5 | 8 |
| 2005 | 5 | 15 |
| 2006 | 14 | 7 |
| 2007 | 5 | 11 |
| 2008 | 8 | 5 |
| 2009 | 12 | 5 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 2 |
| 2021 | 3 | 5 |
| 2022 | 3 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 4 |
| 2025 | 4 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Color conversion particle3 Mar 2026US 12,565,612 B2Idemitsu Kosan Co., Ltd.
- Color conversion particle3 Mar 2026US 12,565,615 B2Idemitsu Kosan Co., Ltd.
- Quantum dot microcapsule and display panel including the same24 Feb 2026US 12,559,670 B2Korea Electronics Technology Institute
- Stabilized zirconia sintered body and zirconia powder15 Jul 2025US 12,358,841 B2Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- Composite fine particles, solar cell, member for photoelectric conversion elements, and photoelectric conversion element20 May 2025US 12,305,101 B2Japan Science and Technology Agency
- Color conversion particle23 Jul 2026US 2026/0209597 A1Idemitsu Kosan Co., Ltd.
- Chalcogenide perovskite14 May 2026US 2026/0132045 A1Idemitsu Kosan Co., Ltd.
- Synthesis of chalcogenide perovskite nanoparticles20 Feb 2025US 2025/0059440 A1
- Chalcogenide perovskite and method for producing chalcogenide perovskite by liquid phase synthesis23 Jan 2025US 2025/0026982 A1Idemitsu Kosan Co., Ltd.
- Composite fine particles, solar cell, member for photoelectric conversion elements, and photoelectric conversion element24 Oct 2024US 2024/0352314 A1Japan Science and Technology Agency
Most cited
By later US patents
- Light sources with nanometer-sized VUV radiation-absorbing phosphors490US 6,982,046 B2General Electric Company · 2006
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same110US 6,153,123 ASuperior MicroPowders LLC · 2000
- Electrocatalyst powders, methods for producing powders and devices fabricated from same88US 6,660,680 B1Superior MicroPowders LLC · 2003
- Coated nickel-containing powders, methods and apparatus for producing such powders and devices fabricated from same85US 7,384,447 B2Cabot Corporation · 2008