G11B 7/1398
Means for shaping the cross-section of the beam
Official title: Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
G11B7/1398 (Means for shaping the cross-section of the beam) appears on 246 US grants and 162 published applications in this corpus.
Search patents in G11B- Granted patents
- 246
- Published applications
- 162
- Assignees
- 91
- Inventors
- 466
- Latest grant
- 27 Sep 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 11 |
| 2002 | 15 | 13 |
| 2003 | 7 | 15 |
| 2004 | 13 | 12 |
| 2005 | 14 | 20 |
| 2006 | 11 | 29 |
| 2007 | 8 | 16 |
| 2008 | 16 | 22 |
| 2009 | 17 | 11 |
| 2010 | 9 | 4 |
| 2011 | 7 | 3 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical information processing apparatus and optical information processing method, and adjustment device, adjustment method, and adjustment program for optical information processing apparatus27 Sep 2016US 9,454,987 B2Mitsubishi Electric Corporation
- Optical medium reproducing apparatus and optical medium reproducing method21 Jun 2016US 9,373,350 B2Sony Corporation
- Optical pickup and optical system using the same2 Sep 2014US 8,824,253 B2Toshiba Samsung Storage Technology Korea Corporation
- Holographic storage system with improved beam overlap15 Jul 2014US 8,780,425 B2Thomson Licensing
- Optical pickup device that forms an oval spot on a disc having a small angle with respect to a radial axis27 Aug 2013US 8,520,488 B2Toshiba Samsung Storage Technology Korea Corporation
- Optical information recording/reproduction device and adjustment method21 Apr 2016US 2016/0111123 A1Hitachi Consumer Electronics Co., Ltd.
- Optical information processing apparatus and optical information processing method, and adjustment device, adjustment method, and adjustment program for optical information processing apparatus4 Dec 2014US 2014/0355403 A1Mitsubishi Electric Corporation
- Optical medium reproducing apparatus and optical medium reproducing method4 Dec 2014US 2014/0355404 A1Sony Corporation
- Optical pickup and optical system using the same18 Jul 2013US 2013/0185742 A1Toshiba Samsung Storage Technology Korea Corporation
- Optical pickup device and optical disc apparatus applying the same12 Jul 2012US 2012/0176881 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Switchable optical element85US 7,508,566 B2Koninklijke Philips Electronics N. V. · 2009
- Beam-shaping optical element and device for converting a beam having a first cross-section into a beam having a second cross-section76US 5,467,335 AU. S. Philips Corporation · 1995
- Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head48US 5,615,200 AKabushiki Kaisha Toshiba · 1997
- Optical information processor with prismatic correction of laser beam shape44US 4,333,173 AHitachi, Ltd. · 1982
- Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points43US 5,754,512 AMatsushita Electric Industrial Co., Ltd. · 1998