C03B 2215/48
Convex-concave
C03B2215/48 (Convex-concave) appears on 38 US grants and 25 published applications in this corpus.
Search patents in C03B- Granted patents
- 38
- Published applications
- 25
- Assignees
- 21
- Inventors
- 95
- Latest grant
- 22 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 3 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical glass, optical element, optical instrument, and method for manufacturing optical glass22 Feb 2022US 11,254,602 B2Canon Kabushiki Kaisha
- Manufacturing method for glass molded body and manufacturing apparatus for glass molded body26 Apr 2016US 9,321,668 B2Hoya Corporation
- Optical glass, optical element, and method for manufacturing optical glass26 May 2015US 9,040,439 B2Canon Kabushiki Kaisha
- Preform for optical element and optical element16 Apr 2013US 8,420,200 B2Kabushiki Kaisha Ohara
- Lens and process for the production thereof22 Jan 2013US 8,357,624 B2Hoya Corporation
- Glass and method for manufacturing glass16 Apr 2026US 2026/0103420 A1AGC Inc.
- Systems and methods for molding chalcogenide glass into a near-net shaped part17 Feb 2022US 2022/0048803 A1LightPath Technologies, Inc.
- Mold for molding wafer lens25 Feb 2021US 2021/0053305 A1AAC Optics Solutions Pte. Ltd.
- Optical glass, optical element, optical instrument, and method for manufacturing optical glass25 Apr 2019US 2019/0119147 A1Canon Kabushiki Kaisha
- Method of controlling optical element manufacturing apparatus, mehtod of manufacturing optical element, and optical element manufacturing apparatus9 Aug 2018US 2018/0222784 A1Olympus Corporation
Most cited
By later US patents
- Method of manufacturing pressed lenses33US 4,629,489 AHoya Corporation · 1986
- Molding method for optical element33US 5,173,100 ACanon Kabushiki Kaisha · 1992
- Shaped gradient fabrication in lenses by molding from axial gradient28US 5,236,486 ALightPath Technologies, Inc. · 1993
- Method for molding high-precision glass products23US 4,591,373 AKabushiki Kaisha Ohara Kogaku Garasu Seizosho · 1986
- Method and apparatus for preparation of molded glass20US 6,813,906 B1Hoya Corporation · 2004