C03B 2215/30
Intermediate layers
Official title: Intermediate layers, e.g. graded zone of base/top material
C03B2215/30 (Intermediate layers) appears on 66 US grants and 73 published applications in this corpus.
Search patents in C03B- Granted patents
- 66
- Published applications
- 73
- Assignees
- 40
- Inventors
- 140
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 11 |
| 2006 | 1 | 15 |
| 2007 | 3 | 5 |
| 2008 | 1 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 3 | 5 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Amorphous alloy, molding die, and method for forming optical element5 Mar 2024US 11,919,793 B2Canon Kabushiki Kaisha
- Micro- and nano-hot embossing method for optical glass lens arrays4 Apr 2023US 11,619,766 B2No. 59 Institute of China Ordnance Industry
- 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
- Amorphous alloy, molding die, and method for forming optical element6 Jul 2021US 11,053,151 B2Canon Kabushiki Kaisha
- Coatings for glass-shaping molds and molds comprising the same5 Jan 2021US 10,882,774 B2Entegris, Inc.
- Mold release coatings for glass forming or processing equipment and related methods16 Jan 2025US 2025/0019288 A1Corning Incorporated
- 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
- 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
- Micro- and nano- hot embossing method for optical glass lens arrays22 Oct 2020US 2020/0333511 A1No. 59 Institute of China Ordnance Industry
Most cited
By later US patents
- 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
- Sealing appliance54US 6,779,575 B1Novaseptum AB · 2004
- 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