G02B 6/1342
Using diffusion
Official title: {using diffusion (diffusion in single crystals C30B31/00; diffusion in glass C03C23/00)}
G02B6/1342 (Using diffusion) appears on 89 US grants and 59 published applications in this corpus.
Search patents in G02B- Granted patents
- 89
- Published applications
- 59
- Assignees
- 57
- Inventors
- 205
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 4 | 9 |
| 2004 | 4 | 3 |
| 2005 | 3 | 5 |
| 2006 | 4 | 5 |
| 2007 | 5 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 3 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 0 | 1 |
| 2016 | 6 | 7 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photonic element for a quantum information processing device and method for producing such22 Jul 2025US 12,367,415 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Semiconductor device and methods of formation10 Sep 2024US 12,085,751 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Optical element and manufacturing method thereof26 Dec 2023US 11,852,953 B2Nippon Telegraph and Telephone Corporation
- Optical waveguide element and manufacturing method therefor4 Jan 2022US 11,215,754 B2Sumitomo Osaka Cement Co., Ltd.
- Manufacturing a graded index profile for waveguide display applications18 May 2021US 11,009,662 B2Facebook Technologies, LLC
- Semiconductor device and methods of formation31 Oct 2024US 2024/0361524 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Photonic element for a quantum information processing device and method for producing such2 May 2024US 2024/0144067 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Semiconductor device and methods of formation11 Jan 2024US 2024/0012199 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Optical Element and Manufacturing Method Thereof29 Dec 2022US 2022/0413355 A1Nippon Telegraph and Telephone Corporation
- Manufacturing a graded index profile for waveguide display applications29 Jul 2021US 2021/0231870 A1Facebook Technologies, LLC
Most cited
By later US patents
- Composite optical and electro-optical devices135US 5,846,638 AOnyx Optics, Inc. · 1998
- Graded index waveguide structure and process for forming same60US 4,375,312 AHughes Aircraft Company · 1983
- Composite solid state lasers of improved efficiency and beam quality47US 5,563,899 A1996
- Integrated optics polarizing device36US 4,778,234 AThomson-CSF · 1988
- Fabrication of optical waveguides by indiffusion of metals33US 4,284,663 ABell Telephone Laboratories, Incorporated · 1981