G11B 7/13922
Passive
Official title: {passive}
G11B7/13922 (Passive) appears on 574 US grants and 560 published applications in this corpus.
Search patents in G11B- Granted patents
- 574
- Published applications
- 560
- Assignees
- 111
- Inventors
- 582
- Latest grant
- 14 Aug 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 23 | 0 |
| 2001 | 26 | 27 |
| 2002 | 34 | 42 |
| 2003 | 27 | 64 |
| 2004 | 36 | 59 |
| 2005 | 31 | 76 |
| 2006 | 48 | 60 |
| 2007 | 42 | 43 |
| 2008 | 54 | 51 |
| 2009 | 32 | 40 |
| 2010 | 43 | 27 |
| 2011 | 36 | 26 |
| 2012 | 39 | 27 |
| 2013 | 24 | 11 |
| 2014 | 8 | 4 |
| 2015 | 6 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical pickup device and optical drive device14 Aug 2018US 10,049,695 B2Panasonic Intellectual Property Management Co., Ltd.
- Objective lens element12 Apr 2016US 9,310,536 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical tape pick up unit with holographic optical element26 Jan 2016US 9,245,572 B2Oracle International Corporation
- Optical element and production method of the same17 Nov 2015US 9,188,768 B2Konica Minolta, Inc.
- Objective lens and optical pickup device17 Nov 2015US 9,190,098 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical pickup device and optical drive device19 Oct 2017US 2017/0301369 A1Panasonic Intellectual Property Management Co., Ltd.
- Objective lens and optical pickup device7 May 2015US 2015/0124578 A1Panasonic Corporation
- Objective lens and optical pickup device8 Jan 2015US 2015/0009790 A1Sanyo Electric Co., Ltd.
- Objective lens, optical head, optical disk device, and information processing device11 Sep 2014US 2014/0254345 A1Panasonic Corporation
- Objective lens element4 Sep 2014US 2014/0247493 A1Panasonic Corporation
Most cited
By later US patents
- Object lens barrel, object lens barrel drive unit and optical information recording and reproducing unit91US 6,603,612 B2Sharp Kabushiki Kaisha · 2003
- Objective lens for optical pick-up80US 6,118,594 AAsahi Kogaku Kogyo Kabushiki Kaisha · 2000
- Optical head apparatus for different types of disks78US 5,696,750 ANEC Corporation · 1997
- Optical head and optical data recording and reproducing apparatus having the same78US 5,703,856 AMatsushita Electric Industrial Co., Ltd. · 1997
- Lens device comprising light blocking means and an optical pickup apparatus using the lens device70US 5,665,957 ASamsung Electronics Co., Ltd. · 1997