C09K 11/7766
Containing two or more rare earth metals
Official title: {containing two or more rare earth metals}
C09K11/7766 (Containing two or more rare earth metals) appears on 2,077 US grants and 2,206 published applications in this corpus.
Search patents in C09K- Granted patents
- 2,077
- Published applications
- 2,206
- Assignees
- 725
- Inventors
- 3,829
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 15 | 0 |
| 1978 | 18 | 0 |
| 1979 | 13 | 0 |
| 1980 | 12 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 11 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 16 | 0 |
| 1990 | 28 | 0 |
| 1991 | 23 | 0 |
| 1992 | 28 | 0 |
| 1993 | 14 | 0 |
| 1994 | 19 | 0 |
| 1995 | 17 | 0 |
| 1996 | 25 | 0 |
| 1997 | 19 | 0 |
| 1998 | 21 | 0 |
| 1999 | 20 | 0 |
| 2000 | 29 | 0 |
| 2001 | 34 | 22 |
| 2002 | 32 | 49 |
| 2003 | 54 | 41 |
| 2004 | 40 | 80 |
| 2005 | 29 | 98 |
| 2006 | 72 | 97 |
| 2007 | 64 | 104 |
| 2008 | 46 | 105 |
| 2009 | 66 | 101 |
| 2010 | 67 | 103 |
| 2011 | 65 | 102 |
| 2012 | 81 | 128 |
| 2013 | 72 | 139 |
| 2014 | 98 | 92 |
| 2015 | 103 | 109 |
| 2016 | 90 | 96 |
| 2017 | 79 | 94 |
| 2018 | 76 | 73 |
| 2019 | 70 | 99 |
| 2020 | 73 | 77 |
| 2021 | 85 | 92 |
| 2022 | 76 | 90 |
| 2023 | 65 | 68 |
| 2024 | 51 | 62 |
| 2025 | 51 | 44 |
| 2026 | 28 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wavelength converter, light source device, and projector22 Sep 2026US 12,743,012 B2Seiko Epson Corporation
- Method of producing a crystal for a scintillation crystal detector and a crystal for a scintillation crystal detector8 Sep 2026US 12,729,455 B2Crytur, Spol.S R.O.
- Light-emitting device and electronic apparatus using same1 Sep 2026US 12,727,299 B2Panasonic Intellectual Property Management Co., Ltd.
- Light emitting device and lighting fixture provided with same18 Aug 2026US 12,709,708 B2Nichia Corporation
- Y2O3:RE nanoparticles28 Jul 2026US 12,692,438 B2Seaborough Materials IP B.V.
- Luminophore, method for producing a luminophore, and radiation-emitting component1 Oct 2026US 2026/0297424 A1ams-OSRAM International GmbH
- Light emitting device24 Sep 2026US 2026/0293383 A1Nichia Corporation
- Core-shell type upconverting microparticle, upconverting micro precursor particle, sensitizing core-shell type upconverting microparticle, tio2-coated core-shell type upconverting microparticle, near-infrared detector, photoelectric conversion element, and method of manufacturing core-shell type upconverting microparticle17 Sep 2026US 2026/0275190 A1Japan Science and Technology Agency
- Sprayable substances for photosynthesis enhancement27 Aug 2026US 2026/0248129 A1Sensei AG Holdings, Inc.
- Phosphor, method for producing a phosphor, use of a phosphor and optoelectronic component27 Aug 2026US 2026/0250573 A1ams-OSRAM International GmbH
Most cited
By later US patents
- Light emitting device having a nitride compound semiconductor and a phosphor containing a garnet fluorescent material1,017US 5,998,925 ANichia Kagaku Kogyo K. K. · 1999
- Wavelength-converting casting composition and its use749US 6,066,861 ASiemens Aktiengesellschaft · 2000
- Method to operate an incoherently emitting radiation source having at least one dielectrically impeded electrode583US 5,604,410 APatent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 1997
- Light sources with nanometer-sized VUV radiation-absorbing phosphors490US 6,982,046 B2General Electric Company · 2006
- Light emitting device with phosphor composition440US 6,252,254 B1General Electric Company · 2001