C03B 2215/12
Ceramics or cermets
Official title: Ceramics or cermets, e.g. cemented WC, Al2O3 or TiC
C03B2215/12 (Ceramics or cermets) appears on 69 US grants and 85 published applications in this corpus.
Search patents in C03B- Granted patents
- 69
- Published applications
- 85
- Assignees
- 43
- Inventors
- 178
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 6 |
| 2005 | 0 | 7 |
| 2006 | 1 | 15 |
| 2007 | 2 | 10 |
| 2008 | 2 | 6 |
| 2009 | 2 | 3 |
| 2010 | 1 | 6 |
| 2011 | 0 | 8 |
| 2012 | 3 | 2 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Amorphous alloy, molding die, and method for forming optical element5 Mar 2024US 11,919,793 B2Canon Kabushiki Kaisha
- Optical glass, optical element, optical device, method for producing optical glass, and method for producing optical element12 Dec 2023US 11,840,480 B2Canon Kabushiki Kaisha
- Graded coating of element diffusion inhibition and adhesion resistance on mold for glass molding24 May 2022US 11,339,100 B2No. 59 Institute of China Ordnance Industry
- Optical glass, optical element, optical instrument, and method for manufacturing optical glass22 Feb 2022US 11,254,602 B2Canon Kabushiki Kaisha
- Amorphous alloy, molding die, and method for forming optical element6 Jul 2021US 11,053,151 B2Canon Kabushiki Kaisha
- Method for moulding a glass item, in particular a three-dimensionally moulded planar glass item, and device for carrying out the method, and use of a metal melt for carrying out the method17 Oct 2024US 2024/0343630 A1FÜLLER GLASTECHNOLOGIE VERTRIEBS-GmbH
- Coatings for glass shaping molds and molds comprising the same28 Mar 2024US 2024/0101462 A1Entegris, Inc.
- Amorphous alloy, molding die, and method for forming optical element23 Sep 2021US 2021/0292213 A1Canon Kabushiki Kaisha
- Optical glass, optical element, optical device, method for producing optical glass, and method for producing optical element18 Feb 2021US 2021/0047231 A1Canon Kabushiki Kaisha
- Graded coating of element diffusion inhibition and adhesion resistance on mold for glass molding22 Oct 2020US 2020/0331798 A1No. 59 Institute of China Ordnance Industry
Most cited
By later US patents
- Display device with micro lens array75US 5,276,538 AMatsushita Electric Industrial Co., Ltd. · 1994
- Method of manufacturing molds for molding optical glass elements and diffraction gratings66US 4,842,633 AMatsushita Electric Industrial Co., Ltd. · 1989
- Mold having a diamond layer, for molding optical elements61US 5,380,349 ACanon Kabushiki Kaisha · 1995
- Mold with hydrogenated amorphous carbon film for molding an optical element45US 5,026,415 ACanon Kabushiki Kaisha · 1991
- Method of making an optical element mold with a hard carbon film43US 5,202,156 ACanon Kabushiki Kaisha · 1993