G03H 2270/22
Disc shaped
G03H2270/22 (Disc shaped) appears on 43 US grants and 33 published applications in this corpus.
Search patents in G03H- Granted patents
- 43
- Published applications
- 33
- Assignees
- 39
- Inventors
- 101
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 3 |
| 2012 | 4 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 4 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Radial polarization conversion component, azimuthal polarization conversion component and manufacturing method thereof22 Jul 2025US 12,366,822 B2Feng Chia University
- Timing control unit for controlling an illumination device with coherent light source20 Sep 2022US 11,447,065 B2Dai Nippon Printing Co.Ltd.
- Projection system for measuring vibrations3 Nov 2020US 10,824,112 B2Centre National De La Recherche Scientifique
- Timing control unit for controlling an illumination device with coherent light source3 Mar 2020US 10,576,874 B2Dai Nippon Printing Co.Ltd.
- Light diffraction device7 Feb 2017US 9,562,658 B2LaserScapes LLC
- Optical track format for holographic storage optical disc and encoding method thereof16 Feb 2023US 2023/0051058 A1Amethystum Storage Technology Co., Ltd.
- Holographic storage optical system and beam calibrating method thereof22 Dec 2022US 2022/0404766 A1Amethystum Storage Technology Co., Ltd.
- Radial polarization conversion component, azimuthal polarization conversion component and manufacturing method thereof1 Dec 2022US 2022/0382212 A1Feng Chia University
- Timing control unit for controlling an illumination device with coherent light source21 May 2020US 2020/0156531 A1Dai Nippon Printing Co.Ltd.
- Projection system for measuring vibrations19 Mar 2020US 2020/0089164 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Holographic laser scanner and rangefinder173US 5,471,326 ANorthrop Grumman Corporation · 1995
- Disk-based optical correlator and method69US 5,339,305 ANorthrop Grumman Corporation · 1994
- Hologram printed on optical recording medium for copy protection65US 5,587,984 ASony Corporation · 1996
- Manufacture of optical data storage disc63US 6,165,391 ANimbus Manufacturing (UK) Limited · 2000
- Hologram production46US 5,189,531 A1993