H01J 1/78
Photoelectric screens
Official title: Photoelectric screens; Charge-storage screens
H01J1/78 (Photoelectric screens) appears on 10 US grants and 9 published applications in this corpus.
Search patents in H01J- Granted patents
- 10
- Published applications
- 9
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electron tube, imaging device and electromagnetic wave detection device8 Jul 2025US 12,354,858 B2Hamamatsu Photonics K.K.
- Photoelectron multiplying and collecting tube and imaging device using same24 Dec 2024US 12,176,174 B2Hamamatsu Photonics K.K.
- X-ray photoemission system for 3-D laminography4 Apr 2023US 11,619,596 B2
- X-ray photoemission apparatus for inspection of integrated devices19 Apr 2022US 11,307,152 B2
- Photoelectric surface, photoelectric conversion tube, image intensifier, and photomultiplier tube11 Feb 2020US 10,559,445 B2Hamamatsu Photonics K.K.
- Electron tube, imaging device and electromagnetic wave detection device9 Mar 2023US 2023/0071586 A1Danmarks Tekniske Universitet
- Electron tube and imaging device6 Oct 2022US 2022/0319794 A1Hamamatsu Photonics K.K.
- X-ray photoemission system for 3-d laminography28 Jul 2022US 2022/0236199 A1
- X-ray photoemission apparatus for inspection of integrated devices19 Mar 2020US 2020/0090826 A1
- Photoelectric surface, photoelectric conversion tube, image intensifier, and photomultiplier tube25 Jan 2018US 2018/0025881 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Photocathodes38US 4,099,198 AEnglish Electric Valve Company Limited · 1978
- X-ray photoemission microscope for integrated devices31US 9,291,578 B22016
- Composite photosensitive material8US 4,816,183 AThe Board of Trustees of the Leland Stanford Junior University · 1989
- Enhanced sensitivity photodetector having a multi-layered, sandwich-type construction4US 4,839,511 ABoard of Regents, The U. of Texas System · 1989
- Photocathode plate and electron tube4US 7,176,625 B2Hamamatsu Photonics K.K. · 2007