H01J 43/28
Vessels
Official title: Vessels {, e.g. wall of the tube}; Windows; Screens; Suppressing undesired discharges or currents
H01J43/28 (Vessels) appears on 111 US grants and 74 published applications in this corpus.
Search patents in H01J- Granted patents
- 111
- Published applications
- 74
- Assignees
- 37
- Inventors
- 188
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 5 | 5 |
| 2005 | 2 | 3 |
| 2006 | 7 | 6 |
| 2007 | 4 | 1 |
| 2008 | 0 | 7 |
| 2009 | 1 | 5 |
| 2010 | 8 | 2 |
| 2011 | 4 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 5 |
| 2014 | 3 | 2 |
| 2015 | 4 | 5 |
| 2016 | 5 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 3 | 6 |
| 2022 | 5 | 4 |
| 2023 | 4 | 3 |
| 2024 | 4 | 7 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photoelectric conversion device, electromagnetic wave detection device, photoelectric conversion method and electromagnetic wave detection method26 May 2026US 12,640,354 B2Hamamatsu Photonics K.K.
- Metasurface element, electron tube, and method for producing electron tube26 Aug 2025US 12,400,821 B2Hamamatsu Photonics K.K.
- Photomultiplier tube including a protective layer12 Aug 2025US 12,387,924 B2Hamamatsu Photonics K.K.
- Electron tube, imaging device and electromagnetic wave detection device8 Jul 2025US 12,354,858 B2Hamamatsu Photonics K.K.
- Electron tube, electron tube module, and optical device11 Mar 2025US 12,248,159 B2Hamamatsu Photonics K.K.
- Electron tube1 Jan 2026US 2026/0005005 A1Hamamatsu Photonics K.K.
- Micro-Channel Plate Mount Assembly for Ion Detector in Mass Spectrometry3 Jul 2025US 2025/0218755 A1DH Technologies Development Pte. Ltd.
- Photomultiplier tube30 Jan 2025US 2025/0037982 A1Hamamatsu Photonics K.K.
- Photoelectric conversion device, electromagnetic wave detection device, photoelectric conversion method and electromagnetic wave detection method24 Oct 2024US 2024/0355601 A1Danmarks Tekniske Universitet
- Electron tube15 Aug 2024US 2024/0274421 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Photomultiplier tube optimized for surface inspection in the ultraviolet43US 8,629,384 B1KLA-Tencor Corporation · 2014
- Photomultiplier tube having a metal-made sidewall41US 5,504,386 AHamamatsu Photonics K.K. · 1996
- Hybrid photomultiplier tube with high sensitivity30US 5,374,826 AIntevac, Inc. · 1994
- Hybrid photomultiplier tube with ion deflector22US 5,475,227 AIntevac, Inc. · 1995
- Photomultiplier with lens element22US 5,864,207 AHamamatsu Photonics K.K. · 1999