C03B 2215/38
Mixed or graded material layers or zones
C03B2215/38 (Mixed or graded material layers or zones) appears on 9 US grants and 9 published applications in this corpus.
Search patents in C03B- Granted patents
- 9
- Published applications
- 9
- Assignees
- 11
- Inventors
- 25
- Latest grant
- 4 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Micro- and nano-hot embossing method for optical glass lens arrays4 Apr 2023US 11,619,766 B2No. 59 Institute of China Ordnance Industry
- Coatings for glass molding dies and forming tools11 Jan 2011US 7,867,633 B2Colorado School of Mines
- Glass molding die and renewing method thereof22 Sep 2009US 7,591,151 B2Asia Optical Co., Inc.
- Glass molding die and renewing method thereof22 May 2007US 7,220,448 B2Asia Optical Co., Inc.
- Method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disk13 Nov 2001US 6,314,763 B1Saatec Engineering Corporation
- Micro- and nano- hot embossing method for optical glass lens arrays22 Oct 2020US 2020/0333511 A1No. 59 Institute of China Ordnance Industry
- Glass molding die and renewing method thereof24 Aug 2006US 2006/0185394 A1Asia Optical Co., Inc.
- Composite mold and method for making the same29 Jun 2006US 2006/0141093 A1Hon Hai Precision Industry Co., Ltd.
- Molding core19 Jan 2006US 2006/0010919 A1Asia Optical Co., Inc.
- Coatings for glass molding dies and forming tools8 Dec 2005US 2005/0268662 A1Colorado School of Mines
Most cited
By later US patents
- Diamond crystal coated mold for forming optical elements22US 5,246,198 ACanon Kabushiki Kaisha · 1993
- Method of manufacturing a 1-inch diameter glass substrate for a magnetic disk17US 6,314,764 B1Saatec Engineering Corporation · 2001
- Mold for forming an optical element16US 5,676,723 ACanon Kabushiki Kaisha · 1997
- Method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disk13US 6,314,763 B1Saatec Engineering Corporation · 2001
- Mold material for molding of an optical part and process for producing the same12US 5,223,350 AToshiba Tungaloy Co., Ltd. · 1993