G02F 1/0147
Based on thermo-optic effects
Official title: {based on thermo-optic effects (G02F1/132 takes precedence)}
G02F1/0147 (Based on thermo-optic effects) appears on 1,429 US grants and 1,477 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,429
- Published applications
- 1,477
- Assignees
- 654
- Inventors
- 3,080
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 16 | 0 |
| 2000 | 22 | 0 |
| 2001 | 48 | 7 |
| 2002 | 44 | 50 |
| 2003 | 46 | 110 |
| 2004 | 60 | 63 |
| 2005 | 52 | 51 |
| 2006 | 60 | 43 |
| 2007 | 30 | 35 |
| 2008 | 26 | 32 |
| 2009 | 28 | 34 |
| 2010 | 34 | 41 |
| 2011 | 25 | 41 |
| 2012 | 39 | 33 |
| 2013 | 29 | 39 |
| 2014 | 30 | 43 |
| 2015 | 39 | 51 |
| 2016 | 54 | 55 |
| 2017 | 50 | 53 |
| 2018 | 58 | 72 |
| 2019 | 67 | 59 |
| 2020 | 55 | 64 |
| 2021 | 46 | 88 |
| 2022 | 67 | 74 |
| 2023 | 78 | 84 |
| 2024 | 68 | 79 |
| 2025 | 66 | 97 |
| 2026 | 49 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods of fabricating thermally tuned optical devices containing chalcogenide thin films24 Sep 2026US 2026/0287938 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Ranging device17 Sep 2026US 2026/0276814 A1Sony Semiconductor Solutions Corporation
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Most cited
By later US patents
- High-resolution spatial light modulator for 3-dimensional holographic display302US 6,819,469 B12004
- Optical waveguide display system234US 5,009,483 A1991
- Variable optical fiber Bragg filter arrangement226US 5,007,705 AUnited Technologies Corporation · 1991
- Optical modulation apparatus and measurement method198US 5,091,983 A1992
- Conductive color-changing ink168US 6,188,506 B1Colortronics Technologies L.L.C. · 2001