G03G 5/08235
Comprising three or four silicon-based layers
Official title: {comprising three or four silicon-based layers}
G03G5/08235 (Comprising three or four silicon-based layers) appears on 280 US grants and 43 published applications in this corpus.
Search patents in G03G- Granted patents
- 280
- Published applications
- 43
- Assignees
- 32
- Inventors
- 271
- Latest grant
- 1 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 21 | 0 |
| 1986 | 24 | 0 |
| 1987 | 41 | 0 |
| 1988 | 27 | 0 |
| 1989 | 24 | 0 |
| 1990 | 14 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 14 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 4 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 7 |
| 2011 | 1 | 2 |
| 2012 | 6 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Photodiode structured photosensitive imaging surfaces, methods and apparatus1 Feb 2022US 11,239,381 B2Hewlett-Packard Development Company, L. P.
- Electrophotographic photoreceptor and image forming apparatus30 Nov 2021US 11,188,003 B2KYOCERA Corporation
- Electrophotographic photoreceptor and image forming apparatus16 Jun 2020US 10,684,564 B2KYOCERA Corporation
- Electrophotographic photoreceptor and image forming apparatus12 May 2020US 10,649,354 B2KYOCERA Corporation
- Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member5 May 2020US 10,642,175 B2Canon Kabushiki Kaisha
- Photodiode structured photosensitive imaging surfaces, methods and apparatus7 Apr 2022US 2022/0109079 A1Hewlett-Packard Development Company, L. P.
- Photosensitive imaging surfaces29 Jul 2021US 2021/0232057 A1Hewlett-Packard Development Company, L. P.
- Electrophotographic photoreceptor and image forming apparatus13 Aug 2020US 2020/0257211 A1KYOCERA Corporation
- Electrophotographic photoreceptor and image forming apparatus12 Mar 2020US 2020/0081359 A1KYOCERA Corporation
- Electrophotographic photoreceptor and image forming apparatus10 Oct 2019US 2019/0310563 A1KYOCERA Corporation
Most cited
By later US patents
- Amorphous semiconductors equivalent to crystalline semiconductors produced by a glow discharge process284US 4,226,898 AEnergy Conversion Devices, Inc. · 1980
- Electrophotographic photosensitive member and process for production thereof161US 4,265,991 ACanon Kabushiki Kaisha · 1981
- Distributed infrared communication system104US 5,103,108 A1992
- Electrophotographic member86US 4,365,013 AHitachi, Ltd. · 1982
- Electrophotographic member with .alpha.-Si layers80US 4,378,417 AHitachi, Ltd. · 1983