C03B 2215/24
Carbon
Official title: Carbon, e.g. diamond, graphite, amorphous carbon
C03B2215/24 (Carbon) appears on 49 US grants and 51 published applications in this corpus.
Search patents in C03B- Granted patents
- 49
- Published applications
- 51
- Assignees
- 28
- Inventors
- 101
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 3 | 6 |
| 2004 | 1 | 5 |
| 2005 | 1 | 4 |
| 2006 | 1 | 7 |
| 2007 | 1 | 9 |
| 2008 | 2 | 3 |
| 2009 | 4 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curved glass and preparation method therefor, and electronic device24 Feb 2026US 12,559,404 B2Honor Device Co., Ltd.
- 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
- Optical glass, optical element, optical instrument, and method for manufacturing optical glass22 Feb 2022US 11,254,602 B2Canon Kabushiki Kaisha
- Optical element molding mold set and optical element manufacturing method19 Feb 2019US 10,207,946 B2Olympus Corporation
- Method of producing optical element forming mold and optical element forming mold1 Nov 2016US 9,481,595 B2Canon Kabushiki Kaisha
- System and method for forming thin, three-dimensional shaped glass articles by pressing26 Feb 2026US 2026/0055017 A1Corning Incorporated
- Curved Glass and Preparation Method Therefor, and Electronic Device5 Sep 2024US 2024/0294414 A1Honor Device Co., Ltd.
- Optical glass, optical element, optical device, method for producing optical glass, and method for producing optical element18 Feb 2021US 2021/0047231 A1Canon Kabushiki Kaisha
- Optical glass, optical element, optical instrument, and method for manufacturing optical glass25 Apr 2019US 2019/0119147 A1Canon Kabushiki Kaisha
- Mold, method for producing a mold, and method for forming a mold article13 Jul 2017US 2017/0197865 A1Infineon Technologies Austria AG
Most cited
By later US patents
- Mold having a diamond layer, for molding optical elements61US 5,380,349 ACanon Kabushiki Kaisha · 1995
- System for stamping an optical storage disk56US 5,427,599 AInternational Business Machines Corporation · 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
- Process for producing glass mold39US 4,882,827 AHoya Corporation · 1989