H04N 25/71
Charge-coupled device [ccd] sensors
Official title: Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
H04N25/71 (Charge-coupled device [ccd] sensors) appears on 3,128 US grants and 2,605 published applications in this corpus.
Search patents in H04N- Granted patents
- 3,128
- Published applications
- 2,605
- Assignees
- 709
- Inventors
- 4,090
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 13 | 0 |
| 1983 | 7 | 0 |
| 1984 | 13 | 0 |
| 1985 | 22 | 0 |
| 1986 | 29 | 0 |
| 1987 | 39 | 0 |
| 1988 | 27 | 0 |
| 1989 | 57 | 0 |
| 1990 | 35 | 0 |
| 1991 | 38 | 0 |
| 1992 | 40 | 0 |
| 1993 | 40 | 0 |
| 1994 | 47 | 0 |
| 1995 | 55 | 0 |
| 1996 | 54 | 0 |
| 1997 | 39 | 0 |
| 1998 | 55 | 0 |
| 1999 | 48 | 0 |
| 2000 | 25 | 0 |
| 2001 | 36 | 20 |
| 2002 | 35 | 62 |
| 2003 | 42 | 54 |
| 2004 | 67 | 68 |
| 2005 | 36 | 97 |
| 2006 | 62 | 60 |
| 2007 | 52 | 86 |
| 2008 | 67 | 108 |
| 2009 | 71 | 90 |
| 2010 | 88 | 74 |
| 2011 | 90 | 94 |
| 2012 | 81 | 54 |
| 2013 | 64 | 118 |
| 2014 | 89 | 95 |
| 2015 | 121 | 113 |
| 2016 | 129 | 138 |
| 2017 | 127 | 118 |
| 2018 | 109 | 97 |
| 2019 | 100 | 101 |
| 2020 | 107 | 136 |
| 2021 | 103 | 136 |
| 2022 | 107 | 136 |
| 2023 | 183 | 238 |
| 2024 | 183 | 165 |
| 2025 | 189 | 105 |
| 2026 | 65 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 25/75Circuitry for providing, modifying or processing image signals from the pixel array1,052
- H04N 25/713Transfer or readout registers566
- H04N 25/745Circuitry for generating timing or clock signals466
- H04N 25/73Using interline transfer [it]461
- H04N 25/711Time delay and integration [tdi] registers244
- H04N 25/72Using frame transfer [ft]147
- H04N 25/74Circuitry for scanning or addressing the pixel array103
- H04N 25/715Using frame interline transfer [fit]83
Recent patents
- Photosensitive chip, image processing method, and electronic device6 Oct 2026US 12,756,953 B2Lenovo (Beijing) Limited
- Image sensing device29 Sep 2026US 12,750,603 B2SK hynix Inc.
- Pixel array and image sensor including the same29 Sep 2026US 12,751,097 B2Samsung Electronics Co., Ltd.
- Image sensing device for correcting depth information29 Sep 2026US 12,751,098 B2SK hynix Inc.
- All-optical epsilon-near-zero enabled streak camera22 Sep 2026US 12,742,677 B2Purdue Research Foundation
- Pulse windowing optical sensor8 Oct 2026US 2026/0309547 A1Tokyo Electron Limited
- Digital cinema camera system for recording, editing and visualizing images8 Oct 2026US 2026/0313084 A1Silicon Imaging Corporation
- Pixel with global shutter1 Oct 2026US 2026/0304001 A1STMicroelectronics (Crolles 2) SAS
- Electric shaver with imaging capability24 Sep 2026US 2026/0292317 A1May Patents Ltd.
- Motion detection device and optical mouse using temporal difference and spatial difference of pixel data27 Aug 2026US 2026/0253448 A1Pixart Imaging Inc.
Most cited
By later US patents
- Active pixel sensor with intra-pixel charge transfer1,276US 5,471,515 ACalifornia Institute of Technology · 1995
- CMOS active pixel sensor type imaging system on a chip647US 5,841,126 ACalifornia Institute of Technology · 1998
- Single sensor color camera with user selectable image record size290US 5,493,335 AEastman Kodak Company · 1996
- CCD output processing stage that amplifies signals from colored pixels based on the conversion efficiency of the colored pixels230US 6,774,941 B1National Semiconductor Corporation · 2004
- Imaging device with boosting circuit219US 7,310,115 B2Sanyo Electric Co., Ltd. · 2007