C03B 2215/31
Two or more distinct intermediate layers or zones
C03B2215/31 (Two or more distinct intermediate layers or zones) appears on 31 US grants and 36 published applications in this corpus.
Search patents in C03B- Granted patents
- 31
- Published applications
- 36
- Assignees
- 19
- Inventors
- 69
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 6 |
| 2006 | 1 | 7 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
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
- 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.
- Amorphous alloy molding die and method for forming optical element24 Jul 2018US 10,029,935 B2Canon Kabushiki Kaisha
- 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
- Coatings for glass-shaping molds and molds comprising the same21 Mar 2019US 2019/0084862 A1Entegris, Inc.
- Coatings for glass shaping molds and molds comprising the same14 Mar 2019US 2019/0077690 A1Entegris, Inc.
Most cited
By later US patents
- Die for forming a micro-optical element, manufacturing method therefor, micro-optical element and manufacturing method therefor27US 5,436,764 AMatsushita Electric Industrial Co., Ltd. · 1995
- Mold for press-molding glass elements26US 4,721,518 AMatsushita Electric Industrial Co., Ltd. · 1988
- Die for press-molding optical element20US 5,171,348 AMatsushita Electric Industrial Co., Ltd. · 1992
- Die for press-molding optical elements20US 6,009,728 AMatsushita Electric Industrial Co., Ltd. · 2000
- Method of manufacturing a 1-inch diameter glass substrate for a magnetic disk17US 6,314,764 B1Saatec Engineering Corporation · 2001