C03B 2207/64
Angle
C03B2207/64 (Angle) appears on 27 US grants and 28 published applications in this corpus.
Search patents in C03B- Granted patents
- 27
- Published applications
- 28
- Assignees
- 17
- Inventors
- 94
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fabrication method and fabrication apparatus for porous glass base material for optical fiber28 Jun 2022US 11,370,692 B2Shin-Etsu Chemical Co., Ltd.
- Optical fiber and manufacturing method thereof6 Jul 2021US 11,053,157 B2Chengdu Futong Optical Communication Technologies Co., Ltd.
- Optical fiber glass preform manufacturing method11 May 2021US 11,001,520 B2Furukawa Electric Co., Ltd.
- Silica-containing sheet and related system and methods25 Feb 2020US 10,570,048 B2Corning Incorporated
- Soot deposition body manufacturing apparatus and manufacturing method25 Feb 2020US 10,570,050 B2Shin-Etsu Chemical Co., Ltd.
- Production method for porous glass preform, production method for transparent glass preform, and production apparatus for porous glass preform11 Dec 2025US 2025/0376407 A1Shin-Etsu Chemical Co., Ltd.
- Apparatus for manufacturing optical fiber preform, method for manufacturing optical fiber preform, optical fiber preform and optical fiber29 May 2025US 2025/0171346 A1Furukawa Electric Co., Ltd.
- Apparatus for manufacturing optical fiber preform and method for manufacturing optical fiber preform23 Nov 2023US 2023/0373843 A1Furukawa Electric Co., Ltd.
- Glass base material production apparatus, glass base material production method, and base material profile prediction method15 Jun 2023US 2023/0183121 A1Sumitomo Electric Industries, Ltd.
- Manufacturing method for porous glass deposit and apparatus for manufacturing porous glass deposit7 Apr 2022US 2022/0106220 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Fabrication method of single-mode optical fiber preforms40US 4,345,928 ANippon Telegraph & Telephone Public Corporation · 1982
- Method of fabricating multi-mode optical fiber preforms28US 4,367,085 ANippon Telegraph & Telephone Public Corporation · 1983
- Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass25US 4,414,012 ANippon Telegraph & Telephone Public Corporation · 1983
- Method for the continuous building of a hollow cylindrical soot body having no internal support14US 4,676,814 AHeraeus Quarzschmelze GmbH · 1987
- Methods of making optical waveguides12US 5,028,246 AEnsign-Bickford Optical Technologies, Inc. · 1991