H04N 1/02454
Using interchangeable heads
Official title: {using interchangeable heads}
H04N1/02454 (Using interchangeable heads) appears on 4 US grants and 2 published applications in this corpus.
Search patents in H04N- Granted patents
- 4
- Published applications
- 2
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 17 Mar 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Operating method and changer for optical module/printer module system17 Mar 2009US 7,505,181 B2
- [Operating method and changer for optical module/printer module system]30 Oct 2007US 7,289,250 B2Transpacific IP, Ltd.
- Method and apparatus for converting an ink-jet printer into a scanner and copier16 Jun 1998US 5,767,988 AHewlett-Packard Company
- Document reading apparatus utilizing printer mechanism with a color filter tape29 Nov 1988US 4,788,587 ACasio Computer Co., Ltd.
Most cited
By later US patents
- Method and apparatus for converting an ink-jet printer into a scanner and copier29US 5,767,988 AHewlett-Packard Company · 1998
- Document reading apparatus utilizing printer mechanism with a color filter tape8US 4,788,587 ACasio Computer Co., Ltd. · 1988
- [Operating method and changer for optical module/printer module system]1US 7,289,250 B2Transpacific IP, Ltd. · 2007