G02B 6/29398
Temperature insensitivity
Official title: {Temperature insensitivity}
G02B6/29398 (Temperature insensitivity) appears on 256 US grants and 235 published applications in this corpus.
Search patents in G02B- Granted patents
- 256
- Published applications
- 235
- Assignees
- 163
- Inventors
- 631
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 4 |
| 2002 | 13 | 33 |
| 2003 | 18 | 43 |
| 2004 | 28 | 23 |
| 2005 | 32 | 13 |
| 2006 | 15 | 21 |
| 2007 | 20 | 12 |
| 2008 | 9 | 8 |
| 2009 | 13 | 6 |
| 2010 | 8 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 6 | 4 |
| 2016 | 5 | 6 |
| 2017 | 5 | 6 |
| 2018 | 6 | 9 |
| 2019 | 6 | 5 |
| 2020 | 4 | 8 |
| 2021 | 4 | 7 |
| 2022 | 6 | 2 |
| 2023 | 4 | 7 |
| 2024 | 2 | 3 |
| 2025 | 3 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wavelength-stabilized broadband light source12 Aug 2025US 12,386,118 B2Exalos AG
- Interferometer filters with partial compensation structure15 Jul 2025US 12,359,907 B2Psiquantum, Corp.
- Demultiplexer11 Mar 2025US 12,248,189 B2Rockley Photonics Limited
- Optical module20 Aug 2024US 12,066,657 B2Furukawa Electric Co., Ltd.
- Turnable free space optical filters20 Feb 2024US 11,906,784 B2Nokia Solutions and Networks Oy
- Optical arrangement and confocal chromatic distance sensor16 Jul 2026US 2026/0202184 A1Klingelnberg GmbH
- Interferometer filters with partial compensation structure4 Dec 2025US 2025/0369746 A1Psiquantum, Corp.
- Fabrication tolerant and temperature tolerant mach zehnder interferometers20 Nov 2025US 2025/0354796 A1Ranovus Inc.
- Ring resonator filter based wdm receiver and operating method thereof24 Jul 2025US 2025/0237816 A1UIF (University Industry Foundation), Yonsei University
- Optical Communication Device6 Mar 2025US 2025/0076597 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Temperature stabilization of tapered fiber optic components190US 6,658,182 B1ITF Optical Technologies Inc. · 2003
- Incorporated Bragg filter temperature compensated optical waveguide device179US 5,042,898 AUnited Technologies Corporation · 1991
- Bulk optic wavelength division multiplexer166US 5,119,454 APolaroid Corporation · 1992
- Temperature compensated fiber fabry-perot filters156US 5,509,093 AMicron Optics, Inc. · 1996
- Interferometric sensors utilizing bulk sensing mediums extrinsic to the input/output optical fiber154US 6,671,055 B1Luna Innovations Incorporated · 2003