G11B 15/08
By photoelectric sensing
Official title: by photoelectric sensing (G11B15/07 takes precedence)
G11B15/08 (By photoelectric sensing) appears on 136 US grants and 14 published applications in this corpus.
Search patents in G11B- Granted patents
- 136
- Published applications
- 14
- Assignees
- 59
- Inventors
- 206
- Latest grant
- 12 Aug 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 5 |
| 2003 | 4 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for providing longitudinal position marks on an optical tape12 Aug 2014US 8,804,473 B2Oracle International Corporation
- Apparatus and method for providing longitudinal position marks on an optical tape3 Sep 2013US 8,526,285 B1Oracle International Corporation
- Methods and apparatus for directing a flow of data between a client and multiple servers3 Feb 2009US 7,487,250 B2Cisco Technology, Inc.
- Electric power supply device of a tape-end detecting sensor for a tape recorder16 Dec 2008US 7,466,512 B2Samsung Electronics Co., Ltd.
- Tape cartridge of compatible type27 May 2008US 7,377,460 B2Hitachi Maxell, Ltd.
- Apparatus and method for providing longitudinal position marks on an optical tape15 May 2014US 2014/0133288 A1Oracle International Corporation
- Tape cartridge of compatible type28 Aug 2008US 2008/0204932 A1
- Electric power supply device of a tape-end detecting sensor for a tape recorder2 Nov 2006US 2006/0245107 A1Samsung Electronics Co., Ltd.
- Tape cartridge of compatible type11 Aug 2005US 2005/0174690 A1Hitachi Maxell, Ltd.
- Methods and apparatus for directing a flow of data between a client and multiple servers12 May 2005US 2005/0102405 A1Cisco Technology, Inc.
Most cited
By later US patents
- Methods and apparatus for directing a flow of data between a client and multiple servers71US 7,487,250 B2Cisco Technology, Inc. · 2009
- Tape cartridge having written-in-defect servo patterns for rapid head position calibration50US 6,018,434 AQuantum Corporation · 2000
- Optical servo system for a tape drive48US 6,084,740 AStorage Technology Corporation · 2000
- Method for writing and means for reading position-indicating markers on tape47US 4,848,698 ANewell Research Corporation · 1989
- Tape system with optically contrasting data marks43US 4,380,032 ANewell Research Corporation · 1983