C03C 3/068
Containing rare earths
Official title: containing rare earths
C03C3/068 (Containing rare earths) appears on 440 US grants and 523 published applications in this corpus.
Search patents in C03C- Granted patents
- 440
- Published applications
- 523
- Assignees
- 144
- Inventors
- 781
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 6 |
| 2003 | 7 | 14 |
| 2004 | 10 | 20 |
| 2005 | 4 | 18 |
| 2006 | 8 | 12 |
| 2007 | 7 | 32 |
| 2008 | 11 | 21 |
| 2009 | 21 | 37 |
| 2010 | 18 | 21 |
| 2011 | 23 | 24 |
| 2012 | 27 | 25 |
| 2013 | 28 | 21 |
| 2014 | 22 | 17 |
| 2015 | 19 | 26 |
| 2016 | 16 | 6 |
| 2017 | 13 | 14 |
| 2018 | 7 | 22 |
| 2019 | 22 | 21 |
| 2020 | 9 | 23 |
| 2021 | 14 | 26 |
| 2022 | 10 | 24 |
| 2023 | 14 | 27 |
| 2024 | 17 | 27 |
| 2025 | 13 | 18 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phosphate and borate glasses with high elastic moduli15 Sep 2026US 12,735,346 B2Corning Incorporated
- Fiber optics plate, scintillator panel, radiation detector, electron microscope, X-ray blocking method and electron beam blocking method18 Aug 2026US 12,709,569 B2Hamamatsu Photonics K.K.
- Method for manufacturing a glass wafer of high quality, glass wafer, glass part element, stack, augmented reality device and use21 Jul 2026US 12,686,094 B2SCHOTT Glass Technologies (Suzhou) Co. Ltd.
- Uv-transmitting glass and molded products21 Jul 2026US 12,686,630 B2AGC Inc.
- Optical glass, glass preform, optical element and optical instrument14 Jul 2026US 12,679,758 B2Cdgm Glass Co., Ltd
- Glass composition and x-ray contrast composition8 Oct 2026US 2026/0308045 A1Gc R&D Corporation
- Optical glass, glass preform, optical element and optical instrument1 Oct 2026US 2026/0296950 A1Cdgm Glass Co., Ltd
- High-Index Silicoborate and Borosilicate Glasses10 Sep 2026US 2026/0265115 A1Corning Incorporated
- Optical glass and optical element27 Aug 2026US 2026/0250179 A1Hoya Corporation
- Glass-ceramic sealing material6 Aug 2026US 2026/0225944 A1Nihon Yamamura Glass Co., Ltd.
Most cited
By later US patents
- Contrast enhancement filter for color CRT display devices78US 4,521,524 AHoya Corporation · 1985
- Compliant sealants for solid oxide fuel cells and other ceramics61US 5,453,331 AThe University of Chicago · 1995
- Method of adhering green tape to a metal support substrate with a bonding glass58US 5,581,876 ADavid Sarnoff Research Center, Inc. · 1996
- Optical glass with refractive indices>1.90, Abbe numbers>25 and high chemical stability57US 4,584,279 ASchott Glaswerke · 1986
- Process for the preparation of a dental prosthesis by slight solid phase fritting of a metal oxide based infrastructure52US 4,772,436 A1988