C03C 3/247
Containing fluorine and phosphorus
Official title: containing fluorine and phosphorus
C03C3/247 (Containing fluorine and phosphorus) appears on 170 US grants and 159 published applications in this corpus.
Search patents in C03C- Granted patents
- 170
- Published applications
- 159
- Assignees
- 74
- Inventors
- 363
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 9 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 5 | 8 |
| 2008 | 2 | 5 |
| 2009 | 4 | 9 |
| 2010 | 4 | 9 |
| 2011 | 3 | 3 |
| 2012 | 7 | 11 |
| 2013 | 10 | 11 |
| 2014 | 10 | 6 |
| 2015 | 4 | 11 |
| 2016 | 7 | 8 |
| 2017 | 11 | 7 |
| 2018 | 8 | 6 |
| 2019 | 5 | 10 |
| 2020 | 4 | 9 |
| 2021 | 5 | 3 |
| 2022 | 2 | 2 |
| 2023 | 6 | 9 |
| 2024 | 3 | 4 |
| 2025 | 5 | 9 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical filter and imaging apparatus10 Feb 2026US 12,546,924 B2Hoya Corporation
- Low melting point tin phosphate-based glass frit11 Nov 2025US 12,466,764 B2YEJ GLASS Co., Ltd.
- Glass substrate, method of manufacturing glass substrate, and method of manufacturing glass element using glass substrate3 Jun 2025US 12,319,607 B2Hoya Corporation
- Near-infrared absorbing glass and near-infrared cutoff filter13 May 2025US 12,297,146 B2Hoya Corporation
- Glass for optical filter and optical filter8 Apr 2025US 12,271,012 B2AGC Inc.
- Glass material and magnetic optical element25 Jun 2026US 2026/0176186 A1Nippon Electric Glass Co., Ltd.
- Optical filter and imaging apparatus7 May 2026US 2026/0126573 A1Hoya Corporation
- Fluorophosphate glass, near-infrared cut filter, and optical device12 Mar 2026US 2026/0070836 A1AGC Inc.
- Fluorophosphate glass, near-infrared blocking filter and imaging device14 Aug 2025US 2025/0257002 A1AGC Inc.
- Glass for optical filter and optical filter12 Jun 2025US 2025/0189707 A1AGC Inc.
Most cited
By later US patents
- Controlled pore size ceramics particularly for orthopaedic and dental applications136US 4,737,411 AUniversity of Dayton · 1988
- Tin-phosphorus oxyfluoride glasses69US 4,314,031 ACorning Glass Works · 1982
- Sealing materials and glasses68US 5,089,446 ACorning Incorporated · 1992
- Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources64US 4,962,995 AGTE Laboratories Incorporated · 1990
- Method for the production of glass product56US 6,312,317 B1Hoya Corporation · 2001