G03G 15/223
Machines for handling microimages
Official title: {Machines for handling microimages, e.g. microfilm copiers}
G03G15/223 (Machines for handling microimages) appears on 110 US grants and 1 published applications in this corpus.
Search patents in G03G- Granted patents
- 110
- Published applications
- 1
- Assignees
- 30
- Inventors
- 146
- Latest grant
- 16 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 11 | 0 |
| 1987 | 12 | 0 |
| 1988 | 13 | 0 |
| 1989 | 17 | 0 |
| 1990 | 12 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Physical unclonable function (PUF) alters disk structure to encode region16 Aug 2022US 11,416,193 B2Lexmark International, Inc.
- Image forming apparatus having a supplemental heating source12 May 1998US 5,752,129 ACanon Kabushiki Kaisha
- Image exposure apparatus24 Jun 1997US 5,642,181 ACanon Kabushiki Kaisha
- Image forming apparatus having a bipolar photosensitive member24 Sep 1996US 5,559,580 AMinolta Co., Ltd.
- Reader-printer5 Mar 1996US 5,497,216 ACanon Kabushiki Kaisha
Most cited
By later US patents
- Image display apparatus31US 5,028,128 ACanon Kabushiki Kaisha · 1991
- Combined electrographic printer, copier, and telefax machine with duplex capability27US 4,814,798 AKentek Information Systems, Inc. · 1989
- Image data recording medium and apparatus for determining tape position of the same25US 4,760,428 AFuji Photo Film Co., Ltd. · 1988
- Method of and apparatus for determining frame position23US 4,736,224 AFuji Photo Film Co., Ltd. · 1988
- Consecutive copying and bookbinding method and its apparatus20US 4,194,832 AToppan Printing Co., Ltd. · 1980