G11B 2007/13725
Catadioptric lenses, i.e. having at least one internal reflective surface
Official title: {Catadioptric lenses, i.e. having at least one internal reflective surface}
G11B2007/13725 (Catadioptric lenses, i.e. having at least one internal reflective surface) appears on 43 US grants and 21 published applications in this corpus.
Search patents in G11B- Granted patents
- 43
- Published applications
- 21
- Assignees
- 18
- Inventors
- 79
- Latest grant
- 22 Apr 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 4 |
| 2002 | 3 | 7 |
| 2003 | 4 | 3 |
| 2004 | 8 | 3 |
| 2005 | 7 | 2 |
| 2006 | 5 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Near-field optical storage medium and optical data storage system therefor22 Apr 2008US 7,362,693 B2Samsung Electronics Co., Ltd.
- Catadioptric objective system and objective system15 Apr 2008US 7,359,307 B2Konica Minolta Opto, Inc.
- Objective lens for high-density optical focusing and an optical disk in an optical pickup3 Apr 2007US 7,200,098 B2Samsung Electronics Co., Ltd.
- Exposure apparatus, exposure method, recording and/or reproducing apparatus, and recording and/or reproducing method29 Aug 2006US 7,099,259 B2Sony Corporation
- Near-field optical storage medium and optical data storage system therefor30 May 2006US 7,054,259 B2Samsung Electronics Co., Ltd.
- Recording head for magneto-optical recording device and magneto-optical recording device comprising the same14 Dec 2006US 2006/0280044 A1Koninklijke Philips Electronics N. V.
- Near-field optical storage medium and optical data storage system therefor7 Sep 2006US 2006/0198278 A1Samsung Electronics Co., Ltd.
- Objective lenes for high-density optical focusing and an optical disk in an optical pickup4 Aug 2005US 2005/0169154 A1Samsung Electronics Co., Ltd.
- Catadioptric objective system and objective system5 May 2005US 2005/0094540 A1Konica Minolta Opto, Inc.
- Near-field optical storage medium and optical data storage system therefor4 Nov 2004US 2004/0218500 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- High numerical aperture optical focusing device for use in data storage systems179US 6,185,051 B2Read-Rite Corporation · 2001
- High NA solid catadioptric focusing device having a flat kinoform phase profile153US 6,212,153 B1Read-Rite Corporation · 2001
- Optical head, disk apparatus, method for manufacturing optical head, and optical element35US 6,154,326 AFuji Xerox Co., Ltd. · 2000
- Optical head and optical disk apparatus34US 6,275,453 B1Fuji Xerox Co., Ltd. · 2001
- Optical scanning device25US 6,995,886 B2Koninklijke Philips Electronics N. V. · 2006