G03G 5/08221
Comprising one or two silicon based layers
Official title: {comprising one or two silicon based layers}
G03G5/08221 (Comprising one or two silicon based layers) appears on 282 US grants and 56 published applications in this corpus.
Search patents in G03G- Granted patents
- 282
- Published applications
- 56
- Assignees
- 38
- Inventors
- 308
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 32 | 0 |
| 1987 | 31 | 0 |
| 1988 | 20 | 0 |
| 1989 | 24 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 7 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 1 | 4 |
| 2006 | 5 | 5 |
| 2007 | 4 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 0 | 6 |
| 2012 | 3 | 0 |
| 2013 | 5 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 4 |
| 2020 | 4 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Flow passage forming member, liquid ejecting head, liquid ejecting apparatus, method of producing flow passage forming member, and method of producing liquid ejecting head18 Feb 2025US 12,227,008 B2Seiko Epson Corporation
- Image forming apparatus11 Jun 2024US 12,007,712 B2KYOCERA Document Solutions Inc.
- 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
- Image forming apparatus3 Apr 2025US 2025/0110417 A1KYOCERA Document Solutions Inc.
- Image forming apparatus21 Dec 2023US 2023/0408964 A1KYOCERA Document Solutions Inc.
- Flow Passage Forming Member, Liquid Ejecting Head, Liquid Ejecting Apparatus, Method Of Producing Flow Passage Forming Member, And Method Of Producing Liquid Ejecting Head29 Jun 2023US 2023/0202174 A1Seiko Epson Corporation
- Electrophotographic photoreceptor and image forming apparatus13 Aug 2020US 2020/0257211 A1KYOCERA Corporation
- Electrophotographic photoreceptor and image forming apparatus12 Mar 2020US 2020/0081359 A1KYOCERA Corporation
Most cited
By later US patents
- Electrophotographic photosensitive member and process for production thereof161US 4,265,991 ACanon Kabushiki Kaisha · 1981
- Distributed infrared communication system104US 5,103,108 A1992
- Photoconductive member with .alpha.-Si and C, N or O and dopant88US 4,460,670 ACanon Kabushiki Kaisha · 1984
- Electrophotographic member with .alpha.-Si layers80US 4,378,417 AHitachi, Ltd. · 1983
- Printing drum for an electrostatic imaging process with a doped amorphous silicon layer73US 4,225,222 ASiemens Aktiengesellschaft · 1980