H01J 31/10
Image or pattern display tubes, i.e. having electrical input and optical output
Official title: Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
H01J31/10 (Image or pattern display tubes, i.e. having electrical input and optical output) appears on 2,197 US grants and 1,505 published applications in this corpus.
Search patents in H01J- Granted patents
- 2,197
- Published applications
- 1,505
- Assignees
- 367
- Inventors
- 2,612
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 30 | 0 |
| 1978 | 39 | 0 |
| 1979 | 30 | 0 |
| 1980 | 29 | 0 |
| 1981 | 24 | 0 |
| 1982 | 23 | 0 |
| 1983 | 19 | 0 |
| 1984 | 22 | 0 |
| 1985 | 21 | 0 |
| 1986 | 26 | 0 |
| 1987 | 26 | 0 |
| 1988 | 33 | 0 |
| 1989 | 25 | 0 |
| 1990 | 34 | 0 |
| 1991 | 20 | 0 |
| 1992 | 32 | 0 |
| 1993 | 37 | 0 |
| 1994 | 30 | 0 |
| 1995 | 41 | 0 |
| 1996 | 65 | 0 |
| 1997 | 73 | 0 |
| 1998 | 104 | 0 |
| 1999 | 96 | 0 |
| 2000 | 88 | 0 |
| 2001 | 86 | 30 |
| 2002 | 97 | 107 |
| 2003 | 94 | 90 |
| 2004 | 84 | 108 |
| 2005 | 73 | 160 |
| 2006 | 86 | 210 |
| 2007 | 102 | 246 |
| 2008 | 98 | 157 |
| 2009 | 79 | 115 |
| 2010 | 118 | 99 |
| 2011 | 98 | 73 |
| 2012 | 84 | 47 |
| 2013 | 44 | 20 |
| 2014 | 19 | 16 |
| 2015 | 17 | 11 |
| 2016 | 9 | 0 |
| 2017 | 5 | 8 |
| 2018 | 5 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for fabricating high current field emission cathode containing nanomaterials17 Jun 2025US 12,334,296 B1A&M Consulting, LLC
- Semi-transparent detector array for UV/near-UV detection22 Oct 2024US 12,125,658 B2L3Harris Technologies, Inc.
- Devices having an electron emitting structure24 Aug 2021US 11,101,095 B2Nano-X Imaging Ltd.
- Smart TV with cloud service9 Jun 2020US 10,681,430 B2
- Wiring structure for display device30 Jul 2019US 10,365,520 B2Kobe Steel, Ltd.
- Electron emission source18 Jun 2026US 2026/0171342 A1Infovion Inc.
- Semi-transparent detector array for uv/near-uv detection28 Nov 2024US 2024/0395489 A1L3Harris Technologies, Inc.
- Semi-transparent detector array for uv/near-uv detection4 May 2023US 2023/0139708 A1L3Harris Technologies, Inc.
- Display assembly for an electronic device that includes a blue light protective transparency19 Jan 2023US 2023/0020025 A1PPG Industries Ohio, Inc.
- Devices having an electron emitting structure20 Jun 2019US 2019/0189383 A1Nano-X Imaging Ltd.
Most cited
By later US patents
- Light-emitting device having light-reflective layer formed with, or/and adjacent to, material that enhances device performance211US 6,630,786 B2Candescent Intellectual Property Services, Inc. · 2003
- Matrix-addressed flat panel display199US 4,857,799 ASRI International · 1989
- Field emission cathode based flat panel display having polyimide spacers186US 5,063,327 AColoray Display Corporation · 1991
- Spacers for field emission display fabricated via self-aligned high energy ablation175US 5,232,549 AMicron Technology, Inc. · 1993
- Field emission cold-cathode device169US 6,097,138 AKabushiki Kaisha Toshiba · 2000