G03H 2240/42
Discrete level
G03H2240/42 (Discrete level) appears on 43 US grants and 36 published applications in this corpus.
Search patents in G03H- Granted patents
- 43
- Published applications
- 36
- Assignees
- 32
- Inventors
- 95
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 5 |
| 2008 | 1 | 1 |
| 2009 | 1 | 7 |
| 2010 | 0 | 3 |
| 2011 | 4 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 0 |
| 2014 | 5 | 3 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Illumination system and method1 Jul 2025US 12,346,067 B2Envisics Ltd
- Calculation method, recording method, optical film, and phase modulation structure7 Feb 2023US 11,573,527 B2Toppan Printing Co., Ltd.
- Method of hologram calculation27 Sep 2022US 11,454,929 B2Dualitas Ltd
- Holographic display device and holographic display method16 Mar 2021US 10,948,738 B2Boe Technology Group Co., Ltd.
- Reflective holographic display apparatus and display method for the same3 Mar 2020US 10,579,015 B2Boe Technology Group Co., Ltd.
- Method of Hologram Calculation10 Jun 2021US 2021/0173341 A1Dualitas Ltd
- Illumination System and Method20 May 2021US 2021/0149341 A1Envisics Ltd
- Holographic display device and holographic display method12 Mar 2020US 2020/0081262 A1Boe Technology Group Co., Ltd.
- Calculation method, recording method, optical film, and phase modulation structure26 Sep 2019US 2019/0293492 A1Toppan Printing Co., Ltd.
- Reflective Holographic Display Apparatus and Display Method For The Same27 Jun 2019US 2019/0196401 A1Boe Technology Group Co., Ltd.
Most cited
By later US patents
- Methods of forming multiple phase light modulators371US 5,312,513 ATexas Instruments Incorporated · 1994
- Multiple phase light modulation using binary addressing244US 5,606,441 ATexas Instruments Incorporated · 1997
- Laser transfer machining apparatus69US 6,008,914 AMitsubishi Denki Kabushiki Kaisha · 1999
- Optical correlator using light phase modulation and two reflective spatial light modulators60US 5,523,881 ATexas Instruments Incorporated · 1996
- Holographic authentication element and document having holographic authentication element formed thereon44US 6,222,650 B1Pacific Holographics, Inc. · 2001