G03G 2215/2061
Concave
Official title: concave
G03G2215/2061 (Concave) appears on 57 US grants and 43 published applications in this corpus.
Search patents in G03G- Granted patents
- 57
- Published applications
- 43
- Assignees
- 25
- Inventors
- 131
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 0 |
| 2010 | 2 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 4 | 5 |
| 2017 | 5 | 4 |
| 2018 | 3 | 4 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 5 |
| 2024 | 4 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heating device and image processing apparatus31 Mar 2026US 12,591,194 B2Toshiba Tec Kabushiki Kaisha
- Fixing apparatus20 Aug 2024US 12,066,774 B2Canon Kabushiki Kaisha
- Fixing device including a pressure rotator setting an exit guide angle and image forming apparatus incorporating same2 Jul 2024US 12,025,930 B2Ricoh Company, Ltd.
- Heating device and image processing apparatus18 Jun 2024US 12,013,655 B2Toshiba Tec Kabushiki Kaisha
- Heating device, fixing device, and image forming apparatus2 Apr 2024US 11,947,295 B2Ricoh Company, Ltd.
- Fixing device and image forming system27 Mar 2025US 2025/0102977 A1FUJIFILM Business Innovation Corp.
- Rotation apparatus, fixing apparatus, and image forming apparatus20 Feb 2025US 2025/0060694 A1FUJIFILM Business Innovation Corp.
- Heating device and image processing apparatus12 Sep 2024US 2024/0302774 A1Toshiba Tec Kabushiki Kaisha
- Fixing apparatus21 Dec 2023US 2023/0408955 A1Canon Kabushiki Kaisha
- Fixing device and image forming apparatus incorporating same27 Jul 2023US 2023/0236533 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Dual roller apparatus for pressure fixing sheet material205US 5,195,430 ATektronix, Inc. · 1993
- Heating apparatus using endless film84US 5,148,226 ACanon Kabushiki Kaisha · 1992
- Pressure fixing and developing apparatus35US 5,092,235 ATektronix, Inc. · 1992
- Fixing device33US 5,450,181 ACanon Kabushiki Kaisha · 1995
- Image heating apparatus31US 7,512,370 B2Canon Kabushiki Kaisha · 2009